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UP Higher Education Services Commission (UPHESC) recruitment Assistant Professor (Lecturer) posts notification

<div dir="ltr" style="text-align: left;" trbidi="on"><h4 class="itemtitle" style="margin: 0px; padding: 0px;">UP Higher Education Services Commission (UPHESC) recruitment Assistant Professor (Lecturer) posts notification</h4><h5 class="itemposttime" style="color: #666666; font-family: Helvetica, Arial, sans-serif; font-size: 14px; font-weight: normal; margin: 3px 0px 6px; padding: 0px;"> </h5><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; line-height: 18.2px; overflow: hidden; width: 693px;"><div class="separator" style="clear: both; font-size: 14px; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUvVO_snaBS8QR67-u-kxtilI4tj_CRwv8MOywszyuiW-ePgSO-xhhl5dMr-j-ZvioqUi554BtkIkqsdz-hcbi15FJrtbMxXFtzucB75B2Bl6x43vO2Nr_ECLaPEJhz6otyMPASG4GU_s/s1600/uphes-logo.jpg" style="clear: left; color: #000099; float: left; font-weight: bold; margin-bottom: 1em; margin-right: 1em; text-decoration: none;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUvVO_snaBS8QR67-u-kxtilI4tj_CRwv8MOywszyuiW-ePgSO-xhhl5dMr-j-ZvioqUi554BtkIkqsdz-hcbi15FJrtbMxXFtzucB75B2Bl6x43vO2Nr_ECLaPEJhz6otyMPASG4GU_s/s1600/uphes-logo.jpg" style="border: none;" /></a></div>UP Higher Education Services Commission (UPHESC)18-A, Nyaya Marg, Allahabad  (UP) - 211001 Published by  Advt. No. 46 Applications are invited from qualified candidate for the 1652 posts (UR-826, OBC-449, SC-348, ST-29)   (PH-49) (Freedom Fighter -33) of Assistant Professor (Lecturer) in various subjects in the pay scale of Rs. 15600-39100 grade pay Rs.6000 with allowances in various Degree Colleges in Uttar Pradesh (UP) : </div><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; line-height: 18.2px; overflow: hidden; width: 693px;"> <a href="https://www.blogger.com/null" name="more"></a>Application Fee : Application fee is Rs.2000/- (Rs.1000/- for SC/ST of UP) in the form of Bank Challan to be deposited in ant branch of Punjab National Bank. DD in favour of Secretary, UP Higher Education Services Commission payable at Allahabad. <div align="justify">How to Apply : Apply Online at UPHESC website from 20/03/2014 to 21/04/2014 only. </div><div align="justify"> </div><div align="justify"> </div>Please visit <a href="http://www.uphesc.org/" style="color: #000099; font-weight: bold; text-decoration: none;">http://www.uphesc.org</a> for details and Online application form, along with all the guidelines.</div><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18.2px; overflow: hidden; width: 693px;"> </div><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18.2px; overflow: hidden; width: 693px;"><div dir="ltr" trbidi="on">Jobklix provides you recruitment notifications only you should refer official website of related department. Subscribe Free!!  for upcoming exams, job notifications, study material, latest walk-ins, latest job fairs and more...</div><div style="font-family: "Times New Roman"; font-size: medium; line-height: normal;"> </div><ul style="font-family: "Times New Roman"; font-size: medium; margin: 0px; padding: 0px; text-align: justify;"><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://www.facebook.com/jobklix" style="margin: 0px; padding: 0px; text-decoration-line: none;" target="_blank">Like us On FB Page</a></li><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://twitter.com/jobklix" target="_blank">Follow us On Twitter</a></li><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://www.jobklix.blogspot.com/" target="_blank">Upcoming Jobs/Job alerts/Sarkari Naukri/Latest updates</a></li></ul></div></div>

UP Higher Education Services Commission (UPHESC) recruitment Assistant Professor (Lecturer) posts notification

UP Higher Education Services Commission (UPHESC) recruitment Assistant Professor (Lecturer) posts notification UP Higher Education Services ...

AERONAUTICAL DEVELOPMENT AGENCY (ADA) recruitment engineer job posts notification

<div dir="ltr" style="text-align: left;" trbidi="on"><h4 class="itemtitle" style="margin: 0px; padding: 0px;">AERONAUTICAL DEVELOPMENT AGENCY (ADA) recruitment engineer job posts notification</h4><div> </div><div class="itemcontent" name="decodeable" style="line-height: 18.2px; overflow: hidden; width: 693px;"><div dir="ltr" trbidi="on"><div class="separator" style="clear: both; font-family: Helvetica, Arial, sans-serif; font-size: 14px; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkSERCORhZRhG0zAwdYmdvutwz5lPcD6xUFxwJ0EZs8bkoy8InqKQVqeCtnvP6yGF9rLMXpeuqn05M0yrMKm1-EX2x_dEQ1gnbjoCFdRKcK1ZPeeRpIO5txuF-KzznqHvaAyIokmge4ko/s1600/ada-logo.jpg" style="clear: left; color: #000099; float: left; font-weight: bold; margin-bottom: 1em; margin-right: 1em; text-decoration: none;"><img border="0" height="100" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkSERCORhZRhG0zAwdYmdvutwz5lPcD6xUFxwJ0EZs8bkoy8InqKQVqeCtnvP6yGF9rLMXpeuqn05M0yrMKm1-EX2x_dEQ1gnbjoCFdRKcK1ZPeeRpIO5txuF-KzznqHvaAyIokmge4ko/s1600/ada-logo.jpg" style="border: none;" width="100" /></a></div><div dir="ltr" trbidi="on"> </div><div dir="ltr" trbidi="on"> </div><div dir="ltr" trbidi="on"> </div><div dir="ltr" trbidi="on"> </div><div dir="ltr" trbidi="on"> </div><div dir="ltr" trbidi="on"> </div><div dir="ltr" trbidi="on"> </div>AERONAUTICAL DEVELOPMENT AGENCY (ADA)<div style="font-family: Helvetica, Arial, sans-serif;">(An Autonomous Body under Ministry of Defence, Govt. of India) P.B. No. 1718, Vimanapura Post, Bangalore – 560017, India </div><div style="font-family: Helvetica, Arial, sans-serif;"> </div><div>AERONAUTICAL DEVELOPMENT AGENCY (ADA) recruitment engineer job posts notification</div> <div style="font-family: Helvetica, Arial, sans-serif;">Aeronautical Development Agency (ADA) invites applications for following posts :</div><a href="https://www.blogger.com/null" name="more"></a><ol style="font-family: Helvetica, Arial, sans-serif; list-style-image: initial; list-style-position: initial; margin: 0px 0px 1em; padding: 0px;"><a href="http://2.bp.blogspot.com/_BOlBv4dcTyE/R2AsZ1HYZNI/AAAAAAAAAn4/Ql606UNPXe0/s1600-h/ada.JPG" style="clear: right; color: #000099; float: right; font-weight: bold; margin-bottom: 1em; margin-left: 1em; text-decoration: none;"><img alt="ADA jobs at http://www.SarkariNaukriBlog.com" border="0" height="64" id="BLOGGER_PHOTO_ID_5143159596723496146" src="http://2.bp.blogspot.com/_BOlBv4dcTyE/R2AsZ1HYZNI/AAAAAAAAAn4/Ql606UNPXe0/s320/ada.JPG" style="border: none; float: left; height: 64px; margin: 0px 10px 10px 0px; width: 199px;" width="199" /></a><li style="margin: 0px 0px 0.5em 2.4em; padding: 0px;">Scientist/ Engineer 'G' : 01 post  </li><li style="margin: 0px 0px 0.5em 2.4em; padding: 0px;">Scientist/ Engineer 'F' : 01 post</li><li style="margin: 0px 0px 0.5em 2.4em; padding: 0px;">Scientist/ Engineer 'D' : 01 post </li></ol>How to Apply : Application should be submitted online at ADA website from 24/03/2014 to 07/04/2014. Please view http://www.ada.gov.in:8079/oasp/2014/ada_94/guidelines/  for details and Online submission of application. </div><div dir="ltr" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px;" trbidi="on"> </div><div dir="ltr" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px;" trbidi="on"> </div><div dir="ltr" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px;" trbidi="on"><div dir="ltr" trbidi="on">Jobklix provides you recruitment notifications only you should refer official website of related department. Subscribe Free!!  for upcoming exams, job notifications, study material, latest walk-ins, latest job fairs and more...</div><div style="font-family: "Times New Roman"; font-size: medium; line-height: normal;"> </div><ul style="font-family: "Times New Roman"; font-size: medium; margin: 0px; padding: 0px; text-align: justify;"><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://www.facebook.com/jobklix" style="margin: 0px; padding: 0px; text-decoration-line: none;" target="_blank">Like us On FB Page</a></li><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://twitter.com/jobklix" target="_blank">Follow us On Twitter</a></li><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://www.jobklix.blogspot.com/" target="_blank">Upcoming Jobs/Job alerts/Sarkari Naukri/Latest updates</a></li></ul></div></div></div>

AERONAUTICAL DEVELOPMENT AGENCY (ADA) recruitment engineer job posts notification

AERONAUTICAL DEVELOPMENT AGENCY (ADA) recruitment engineer job posts notification AERONAUTICAL DEVELOPMENT AGENCY (ADA) (An Autonomous Body ...

HSSC recruitment 2020: Haryana Staff Selection Commission (HSSC) various jobs notification

<h1 style="text-align: left;">HSSC recruitment 2020: Haryana Staff Selection Commission (HSSC) various jobs notification</h1><div dir="ltr" style="text-align: left;" trbidi="on"> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2Misy3xW1-Werwhfc9tBJlZ6f2fo5fm8MJ2_dde2ZH3D01RwBhRlOzBZAGGInbX3wGl807_SKonaGrg69Rnbyx-re33updnVvYKGX7pFTrpX_I6q-Tgj5AstrA-JluYRVlvWt6pLXixk/s1600/download.jpg" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2Misy3xW1-Werwhfc9tBJlZ6f2fo5fm8MJ2_dde2ZH3D01RwBhRlOzBZAGGInbX3wGl807_SKonaGrg69Rnbyx-re33updnVvYKGX7pFTrpX_I6q-Tgj5AstrA-JluYRVlvWt6pLXixk/s1600/download.jpg" width="200" /></a></div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div>Haryana Staff Selection Commission (HSSC) Bays No. 60-70, Sector-2, Panchkula (Haryana) HSSC recruitment 2020: Haryana Staff Selection Commission (HSSC) various jobs notification Advt. No.2/2014 Haryana State Selection Commission (HSSC) invites Online applications from eligible candidates for to the following posts in various departments of Haryana Government : <ul style="text-align: left;"><li>Drivers (Heavy Vehicle) : 1175 posts in Transport Department </li><li>Junior Coach Athletics  : 10 posts in  Sports & Youth Affairs </li><li>Junior Coach Badminton  : 10 posts in  Sports & Youth Affairs </li><li>Junior Coach Boxing : 15 posts in  Sports & Youth Affairs  </li><li>Junior Coach Cricket  : 15 posts in  Sports & Youth Affairs </li><li>Junior Coach Fencing  : 05 posts in  Sports & Youth Affairs  </li><li>Junior Coach Foot-Ball  : 10 posts in  Sports & Youth Affairs </li><li>Junior Coach Gymnastics  : 10 posts in  Sports & Youth Affairs </li><li>Junior Coach Juddo  : 15 posts in  Sports & Youth Affairs </li><li>Junior Coach Kayaking & Canoeing  : 05 posts in  Sports & Youth Affairs </li><li>Junior Coach Shooting  : 05 posts in  Sports & Youth Affairs </li><li>Junior Coach Table Tennis : 15 posts in  Sports & Youth Affairs </li><li>Junior Coach Taekwondo  : 10 posts in  Sports & Youth Affairs </li><li>Junior Coach Weight Lifting : 10 posts in  Sports & Youth Affairs </li><li>Junior Coach Kabaddi  : 35 posts in  Sports & Youth Affairs </li><li>Junior Coach Kho-Kho : 10 posts in  Sports & Youth Affairs </li><li>Inspector : 09 posts in  Cooperative Societies Department, Haryana  </li><li>Sub-Inspector : 188 posts in  Cooperative Societies Department, Haryana  </li><li>Senior Auditor : 09 posts in  Cooperative Societies Department, Haryana </li><li>Auditor : 28 posts in  Cooperative Societies Department, Haryana </li><li>Junior Auditor : 07 posts in  Cooperative Societies Department, Haryana </li><li>Kanoongo : 05 posts in  Chief Electrical Officer, Haryana</li><li>Junior Engineer (Electrical) : 01 post in  Chief Electrical Inspector department, Haryana</li><li>Assistant Research Officer/ Assistant District Statistical Officer/ Assistant Planning Officer/  Scrutiny Inspector : 06 posts in  Economic & Statistical Analysis Department, Haryana  </li><li>Field Assistant : 04 posts in  Economic & Statistical Analysis Department, Haryana  </li><li>Inspector Legal Metrology : 09 posts in  Food & Supplies Department, Haryana</li><li>Inspector Food & Supplies : 08 posts in  Food & Supplies Department, Haryana </li><li>Auditor : 01 posts in  Food & Supplies Department, Haryana</li><li>Manual Assistant : 04 posts in  Food & Supplies Department, Haryana</li><li>Chemist : 06 posts in  Food & Drugs Administration, Haryana</li><li>Senior Analytical Assistant : 02 posts in  Food & Drugs Administration, Haryana</li><li>Statistical Assistant : 01 post in  Food & Drugs Administration, Haryana</li><li>Dietician : 07 posts in  Health Services, Haryana</li><li>Tuberculosis Health Visitor : 08 posts in  Health Services, Haryana</li><li>Hostel Superintendent (Male) : 04 posts in  Higher Education, Haryana</li><li>Hostel Superintendent (Female) : 06 posts in  Higher Education, Haryana</li><li>Draftsman : 76 posts in  Irrigation & Water Resources, Haryana</li><li>Artificer : 01 post in  Irrigation & Water Resources, Haryana</li><li>Electrician : 09 posts in  Irrigation & Water Resources, Haryana</li><li>Masson : 03 posts in  Irrigation & Water Resources, Haryana</li><li>Statistical Assistant : 01 post in  Labour Department, Haryana</li><li>Draftsman : 01 post in  Labour Department, Haryana</li><li>Labour Inspector : 06 posts in  Labour Department, Haryana</li><li>Statistical Assistant : 01 post in  Labour Department, Haryana</li><li>Legal Assistant : 02 posts in  Labour Department, Haryana</li><li>Mining Inspector : 04 posts in  Mines & Geology Department, Haryana</li><li>Field Investigator : 09 posts in  Town & Country Planning Department, Haryana</li><li>Assistant Draftsman : 08 posts in  Town & Country Planning Department, Haryana</li><li>Tracer : 04 posts in  Town & Country Planning Department, Haryana</li><li>Accounts Clerk : 07 posts in  CONFED, Haryana</li><li>Legal Assistant : 07 posts in  Industries & Commerce Department, Haryana</li><li>Legal Assistant for District Industries Centres : 21 posts in  Industries & Commerce Department, Haryana</li><li>Industrial Extension Officer : 11 posts in   Industries & Commerce Department, Haryana</li><li>Industrial Extension Officer for District Industries Centres : 28 posts in   Industries & Commerce Department, Haryana</li><li>Technical Assistant (Chemical) : 04 posts in  Industries & Commerce Department, Haryana</li><li>Operator Grade-I Quality Marketing : 02 posts in   Industries & Commerce Department, Haryana</li><li>Computer Technician at District Industries Centres : 21 posts in  Industries & Commerce Department, Haryana</li><li>Operator Grade - II Quality Marketing Centre : 05 posts in  Industries & Commerce Department, Haryana</li><li>Computer Technician (Hq.) : 01 posts in  Industries & Commerce Department, Haryana</li><li>Librarian (Hq.) : 01 post in   Industries & Commerce Department, Haryana</li><li>Field Inspector (Stores) : 01 post in   HAFED, Haryana</li></ul> How to Apply : Apply Online at HPSC website on from 01/031/2014 to 28/03/2014. Please refer official website of  Haryana Staff Selection Commission http://hssc.gov.in or at http://www.onlinehssc.in for for complete details. </div><div dir="ltr" style="text-align: left;" trbidi="on"> </div><div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px;" trbidi="on">Jobklix provides you recruitment notifications only you should refer official website of related department. Subscribe Free!!  for upcoming exams, job notifications, study material, latest walk-ins, latest job fairs and more...</div><div style="line-height: normal;"> </div><ul style="margin: 0px; padding: 0px; text-align: justify;"><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://www.facebook.com/jobklix" style="margin: 0px; padding: 0px; text-decoration-line: none;" target="_blank">Like us On FB Page</a></li><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://twitter.com/jobklix" target="_blank">Follow us On Twitter</a></li><li style="background-attachment: inherit; background-clip: inherit; background-image: inherit; background-origin: inherit; background-position: inherit; background-repeat: inherit; background-size: inherit; list-style-position: inside; list-style-type: initial; list-style: inside url(http://www.moviecinema.in/img/arrow-right.png); margin: 0px; padding: 10px 25px;"><a href="https://www.jobklix.blogspot.com/" target="_blank">Upcoming Jobs/Job alerts/Sarkari Naukri/Latest updates</a></li></ul></div>

HSSC recruitment 2020: Haryana Staff Selection Commission (HSSC) various jobs notification

HSSC recruitment 2020: Haryana Staff Selection Commission (HSSC) various jobs notification Haryana Staff Selection Commission (HSSC) Bays No...

Study material for professional knowledge: Operating System Concepts(Basics)

<div dir="ltr" style="text-align: left;" trbidi="on"><h1 style="text-align: center;">Study material for professional knowledge:  Operating System Concepts(Basics)</h1><div style="text-align: center;"> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjwaa5gmkmIcwpKztTPVptrL9pmZMskjKfu6kzcX8sI3nqv_c2h941YzXt7nXQg59DN6CRft39MFNcUTFqYZQoBjhyphenhyphen6zueduy45bEeB8cpU2pxrqxMwUoF_yoIXhnMY2d-uBGYayZrGL58/s1600/operating+system+study+material.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjwaa5gmkmIcwpKztTPVptrL9pmZMskjKfu6kzcX8sI3nqv_c2h941YzXt7nXQg59DN6CRft39MFNcUTFqYZQoBjhyphenhyphen6zueduy45bEeB8cpU2pxrqxMwUoF_yoIXhnMY2d-uBGYayZrGL58/s1600/operating+system+study+material.png" /></a></div> <div class="separator" style="clear: both; text-align: center;"></div> </div><div style="text-align: center;"> </div><div style="text-align: left;">What is an Operating System? <div style="text-align: left;"></div><ul style="text-align: left;"><li>A program that acts as an intermediary between a user of a computer and the computer hardware.</li><li>Operating system goals:</li><li>Execute user programs and make solving user problems easier.</li><li>Make the computer system convenient to use.</li><li>Use the computer hardware in an efficient manner.</li><li>Computer systems typically contain: Hardware and Software Hardware - electronic, mechanical, optical devices Software – programs</li><li>Without support software, the computer is of little use.</li><li>An interface between Hardware and User Programs</li><li>An abstraction of the hardware for all the (user) processes</li><li>Hide the complexity of the underlying hardware and give the user a better view of the computer</li></ul> <div style="text-align: justify;">Computer System Components</div> <ul style="text-align: left;"><li>Hardware – provides basic computing resources (CPU, memory, I/O devices).</li><li>Operating system – controls and coordinates the use of the hardware among the various application                           programs for the various users.</li><li>Applications programs – define the ways in which the system resources are used to solve the computing problems of the users (compilers, database systems, video games, business programs).</li><li>Users (people, machines, other computers). </li></ul> Abstract View of System Components           <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvn-7OkgUdFwsb3OFUVr3vDtcwCOrsvj4TgoRz1zxrT6M3yBUYATNAjrO5AQVb3ry-k3akTc1mi_euv9NpPy43uobv34X_DWDX1wZhkV2F67b3WZToXbal_WQns3ZDOUBHG5ipmw5BLKM/s1600/OS+system+components.jpg.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="526" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvn-7OkgUdFwsb3OFUVr3vDtcwCOrsvj4TgoRz1zxrT6M3yBUYATNAjrO5AQVb3ry-k3akTc1mi_euv9NpPy43uobv34X_DWDX1wZhkV2F67b3WZToXbal_WQns3ZDOUBHG5ipmw5BLKM/s1600/OS+system+components.jpg.png" width="640" /></a></div> Operating System Definitions <ul style="text-align: left;"><li>Resource allocator – manages and allocates resources.</li><li>Control program – controls the execution of user programs and operations of I/O devices .</li><li>Kernel – the one program running at all times (all else being application programs).</li></ul> The Goals of an OS <div style="text-align: left;"></div><ul style="text-align: left;"><li>     Let users run programs:</li><li>     Correctness- Memory boundaries, priorities, steady state</li><li>     Convenience-User should not handle the tiny details (encapsulate/abstract), provide synchronization primitives, system calls, file system, tools</li><li>     Efficiency-Resource Utilization, resource Sharing, Multitasking</li><li>     Fairness (in resource allocation)</li><li>     Among: users, tasks, resources</li><li>     The tradeoff between efficiency and fairness</li></ul> An OS is a Resource Allocator <ul style="text-align: left;"><li>Multiple users  get all computing resources “simultaneously”:</li><li>Cpu time</li><li> Memory (ram, swap, working set, virtual,..)</li><li> File system (storage space)</li><li> I/O devices (display, printers, mouse,..)</li><li> The OS should give every user the illusion that she is getting all resources to herself (not sharing!) </li></ul> Virtual  Continuity <ul style="text-align: left;"><li>A process can get “switched in” or “switched out”.</li><li>OS should give the illusion for the process as if it exists in the CPU continuously => Context Switching</li></ul> Context switching <ul style="text-align: left;"><li>      When an event occurs, the operating system saves the state of  the active process and restores the state of the new process. </li><li>     This mechanism is called a Context Switch.</li><li>     What must get saved? Everything that the next process could or will damage. For example:</li></ul>               Program counter (PC)             Program status word (PSW)               CPU registers (general purpose, floating-point)             File access pointer(s)             Memory Scheduling and Context switch         Give up the CPU == switch out the current process + switch in another process Preemptive Scheduling <ul style="text-align: left;"><li>There are OS’s where a process is forced to give up the cpu (e.g. when stayed for too long).</li><li>Such systems are implementing a “preemptive scheduling” policy.</li><li>Examples include Windows NT, Unix, - BUT NOT - Windows prior to Win95 ! or Macintosh!</li></ul> Using Priorities <ul style="text-align: left;"><li>Most OS’s provide the priority mechanism</li><li>Priorities are associated with processes</li><li>Priority are used to help the OS to reach fairness</li></ul> Process     A process is a program in execution.     The components of a process are:             the program to be executed,             the data on which the program will execute,             the resources required by the program—such as memory and file(s)—and  the status of the execution. OS Features Needed for Multiprogramming <ul style="text-align: left;"><li>     I/O routine supplied by the system.</li><li>     Memory management – the system must allocate the memory to several jobs.</li><li>    CPU scheduling – the system must choose among several jobs ready to run.</li><li>    Allocation of devices.</li></ul> Time-Sharing Systems–Interactive Computing     <ul style="text-align: left;"><li>The CPU is multiplexed among several jobs that are kept in memory and on disk (the CPU is allocated to a job only if the job is in memory).</li><li>A job swapped in and out of memory to the disk.</li><li>On-line communication between the user and the system is provided; when the operating system finishes the execution of one command, it seeks the next “control statement” from the user’s keyboard.</li><li>On-line system must be available for users to access data and code.</li></ul> </div></div>

Study material for professional knowledge: Operating System Concepts(Basics)

Study material for professional knowledge: Operating System Concepts(Basics) What is an Operating System? A program that acts as an interme...

Study material: Most Important Questions for Computer Awareness for all exams

<div dir="ltr" style="text-align: left;" trbidi="on"><div class="MsoNormal"><div class="MsoNormal" style="margin-left: 0.25in;"></div><div>Study material: Important  Questions  for Computer Awareness for all exams</div><div> </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-3OjyMnW3WobAOPvCppmVMsrVG6xCvwoKXQWZYeio2_m46SAw_J2U5ek21gHBkE09kQ6sAc-oL-jKvMlw5V32wGbRJZGbtnuB3Kq7AKbclNiOVIsXjb8rawNCaBX_jxLMbTaacVE_Smo/s1600/computer+awareness+important+questions.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-3OjyMnW3WobAOPvCppmVMsrVG6xCvwoKXQWZYeio2_m46SAw_J2U5ek21gHBkE09kQ6sAc-oL-jKvMlw5V32wGbRJZGbtnuB3Kq7AKbclNiOVIsXjb8rawNCaBX_jxLMbTaacVE_Smo/s1600/computer+awareness+important+questions.jpg" /></a></div> <div class="MsoNormal" style="margin-left: 0.25in;"></div><ul style="text-align: left;"><li>Job control language is used for Mainframe computer.</li><li>A stub link is a network that is connected to only one router.</li><li>You will require video card to see graphics on your computer.</li><li>A computer peripheral that prints one line of output at a time is known as line printer.</li><li>In time sharing mode each user uses a local input/output device.</li><li>NOT gate is used to invert the input signal.</li><li>ALGOL is an algorithmic language.</li><li>IEEE 802.16 standard represents WiMAX.</li><li>Tutorial is written for those who do not very much about computer.</li><li>Point-of-sale software is an example of vertical market software.</li><li>Computer port does not exist in a computer.</li><li>Terminal symbol in a flowchart indicates the beginning and end in a program’s logic flow.</li><li>Part of a computer instruction word that designates the function performed by a specific instruction is – OPCODE.</li><li>The most common method for gaining access to the Internet is through a – provider or host computer.</li><li>Blue-ray disk is an example of optical disk.</li><li>Bridge can check the physical address of source and destination contained in the frame.</li><li>Downlink is a term related to receiving data from a satellite.</li><li>Operation code is also known as order code.</li><li>PDF is an acronym for PORTABLE DOCUMENT FORMAT.</li><li>Windows.exe file starts MS WORD.</li><li>SUM(B2:B9) is an example of a formula in MS-Excel.</li><li>MS-DOS is an operating system that dos nor implement multitasking truly.</li><li>Tangible parts of a computer are called Hardware.</li><li>AMPS is the first generation cellular technology.</li><li> A container used to display a set of tabbed pages of elements is known as tab box.</li><li>High level language is a machine independent language.</li><li>Shimmer Sparkle Text, Blinking Background, etc are known as text effects.</li><li>10 Base F type of Ethernet uses star topology.</li><li>An error that causes a program to abort and many there of return the user to the OS is called a fatal error.</li><li>Personal Area Network is another name of Bluetooth.</li><li>11 is the default font size of a cell content in MS-EXCEL.</li><li>Cut and paste is the best method to move some text from one page to different page.</li><li>One definition of AI i.e. Artificial Intelligence focuses on problems solving methods that processes symbols.</li><li>The “big picture” diagram of a system is a system flowchart.</li><li>Control unit is the part of CPU containing clock, program counter, instruction register.</li><li>In a compiler, the syntax analysis is done by parser.</li><li>Presentation layer is responsible for the protocol conversion.</li><li>Testing is process of finding error code.</li><li>ULSI hardware technology was used by fifth generation computers.</li><li>For each instruction in a program memory the CPU goes through a ‘fetch code – execute’ sequence. </li></ul> <div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-indent: -0.25in;"></div></div></div>

Study material: Most Important Questions for Computer Awareness for all exams

Study material: Important Questions for Computer Awareness for all exams Job control language is used for Mainframe computer. A stub link ...

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Study material for professional knowledge: Operating System Concepts(Basics)

Study material: Most Important Questions for Computer Awareness for all exams

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