PPSC Past Solved Papers

PPSC Lecturer Computer Science Past Paper

PPSC Upcoming Lecturer Computer Science Test Preparation Notes

  1. 1 byte = 8 bits
  2. 1 mega byte = 1048576 bytes
  3. 1 kilo byte = 1024 bytes
  4. A combination of 16 bits are called word.
  5. A terabyte = 1 trillion bytes
  6. Our PC belongs to 4th generation
  7. Fred Cohen coined the word computer virus
  8. First computer virus was created in 1970 at Bell laboratories
  9. WORM means Write Once Read Many
  10. Power of a super computer is measured in FLOPS (Floating Point Operations per Second)
  11. WWW/http: (hypertext transfer protocol) was created by Tim Burner Lee in 1992
  12. Intel means Integrated Electronics
  13. 1 worksheet contains 256 columns
  14. G.W.Basic G.W stands for Gate Way
  15. Super Computer was created by J.H.Van Tassel
  16. CORBA is Common Object Request Broker Architecture
  17. URL is Uniform or Universal Resource Locator
  18. Intel invented RAM chip
  19. Information stored on disk as series of bumps on its shiny side.
  20. DVDs hold more information than CDs. They use smaller bumps and have two reflective layers
  21. Recordable CDs do not have bumps. There are patches of color on disk to change the reflected laser light
  22. In 1951 Univac – 1, the world’s first commercial computer was designed by John Mauchly and J. Presper Eckert. They built ENIAC, the first electronic computer in 1946
  23. In 1968 mainframe was built.
  24. In 1976 first supercomputer the Cray-1 was developed
  25. In 1981 IBM produce the IBM PC.
  26. In 1998 IBM made quantum computer
  27. Super computers uses parallel processing
  28. In 1974, computer games were introduced.
  29. PROM is the abbreviation of programmable read only memory
  30. What was the world’s first high level programming language 1957: IBM FORTRAN
  31. A JPEG is a picture file format – what does JPEG stand for: Joint Photographic Experts Group
  32. During World War II, IBM built the computers the Nazis used to manage their death/concentration camps
  33. Registers are temporary storage areas within the CPU.
  34. First apple computer was built in garage.
  35. The language of small talk is object oriented.
  36. Shell is an operating environment.
  37. Virtual memory is also known as virtual page.
  38. NOS refer to operating systems for a network.
  39. In EBCDIC each character is denoted by 8 bits.
  40. Diodes are used in analog computer circuits as limiter.
  41. Wetware stands for any organic intelligence.
  42. GIGO stands for garbage in garbage out.
  43. Application of flip-flap are counters, shift register and transfer register.
  44. Bootstrap is associated with computer.
  45. FORTRAN stands for formula translator.
  46. A group of character that is termed as a single entity is called word.
  47. Clip art is a computer prepared art.
  48. Mark sensing is another term for OMR.
  49. Authorization to make multiple software copies is called site licensing.
  50. Antivirus is also known as vaccines.
  51. Free software is also known as public domain software.
  52. In computer DFD stands for Data Flow Diagram.
  53. Cyber Space is called to Virtual world of the computer.
  54. What does the sun in SUN Microsystems stand for Stanford University Network
  55. What does Intel stand for- Integrated Electronics
  56. All PCs have a BIOS what does bios stand for-Basic Input Output System
  57. What is the common name for an integrated circuit A Chip
  58. In WWW terms what does i.e. mean on a domain name-Ireland
  59. What company introduced the first commercial minicomputer 65 DEC
  60. Name the first web browser publicly available NCSA Mosaic
  61. The world’s most powerful super computer is called ASCI white.
  62. World Wide Web was invented in 1993 by Tim Bareness Lee.
  63. The B-programming language was developed by Ken Thompson.
  64. The 1st commercially produced and sold computer (1951) was UNIVAC.
  65. The transformation from heavy computers to PCs was made possible using microprocessors.
  66. The first microprocessor was developed in 1971 by Intel.
  67. A pentium 4 (P-4) employs roughly 40 million transistors.
  68. Mark-1, Apple-1, and collossus were initial desktop computers.
  69. Binary digits are briefed as bit.
  70. A collection of bits is called byte.
  71. The first home computer (1977), which was sold in millions of units was Apple II.
  72. ‘PARAM’ is a supercomputer.
  73. Father of the Computer.. Charles Babbage

Who is Who and What is What

  1. MOUNTAINS
  2. IMPORTANT MOUNTAIN PASSES
  3. OCEANS
  4. FAMOUS SEA PORTS
  5. FAMOUS STRAITS
  6. WORLD RIVERS
  7. FAMOUS ISLANDS
  8. FAMOUS DESERTS
  9. CITIES ON RIVER BANKS
  10. GEOGRAPHICAL DISCOVERIES
  11. WORLD COUNTRIES
  12. GENERAL KNOWLEDGE ABOUT WORLD
  13. IMPORTANT PHYSICAL PROPERTIES
  14. Ten LARGEST COUNTRIES BY AREA
  15. IMPORTANT ABBREVIATIONS
  16. IMPORTANT UNITS OF MEASUREMENT
  17. IMPORTANT INFORMATION ABOUT RAYS AND WAVES
  18. IMPORTANT INFORMATION ABOUT UNIVERSE
  19. NOBLE PRIZE
  20. NATIONAL EMBLEM
  21. FAMOUS EPITHETS
  22. IMPORTANT GEOGRAPHICAL LINES OF WORLD

  23. About Islam

  24. Hazrat Muhammad PBUH
  25. General Knowledge About Hazrat Muhammad PBUH Life
  26. Wifies of Hazrat Muhammad PBUH
  27. Important Islamic History Events
  28. Important points of The Holy Quran
  29. Al-Quran MCQs
  30. About SAHABA KARAM
  31. Namaz
  32. Zakat
  33. Fasting (Roza)
  34. Imortant Article of Faith and Fundamental of ISLAM
  35. Important Islamic terms and Places
  36. Islamic Months of Years
  37. General Knowledge-Heavenly Books
  38. Important Angles
  39. Ashra-e-Mubrashra
  40. Reign Of 4 Caliphates(Khulafa Rashideen)
  41. Famous Islamic Generals
  42. Famous Islamic Battles
  43. Important Personalities and Their Titles in Islam
  44. Famous Muslim Scientists
  45. Important Questions about Islamic Studies

  46. PPSC GENERAL KNOWLEDGE
  47. PPSC PAST Papers General Knowledge Questions


  48. About World

  49. World Records
  50. World Records (Guniees Book)
  51. 7 Wonders of the World
  52. Inventions and Inventors
  53. Important Facts of Worlds
  54. Important Places Of World
  55. Important Awards Of World
  56. Top 10 Languages of World
  57. Highest Military Awards of World
  58. Important Geographical Lines of World
  59. World Imortant National Days
  60. Importnat Religions of World
  61. Important Political terms and concepts
  62. Important News Agency of the World
  63. About UNO
  64. Organs of UNO
  65. Important Specialized agency of the UNO
  66. World Country with Capitals & Currency
  67. Famous Name of Places(Country)

  68. About Pakistan
  69. Basic Information About Pakistan
  70. Districts of Pakistan
  71. RIVERS OF PAKISTAN
  72. The Largest in Pakistan
  73. The Longest and Tallest in Pakistan
  74. Mountain Passes in Pakistan
  75. Chairman Senate and seats Distibutions of Pakistan
  76. Chief Justices of Pakistan
  77. Pakistan Affairs
  78. Who is First in PAKISTAN
  79. PAKISTAN GOVERNOR GENERALS
  80. PAKISTAN Presidents
  81. PAKISTAN Prime Ministers
  82. Attorney Generals of Pakistan
  83. State Bank Governors of pakista
  84. Army Chiefs of PAKISTAN
  85. Federal Cabinet of PAKISTAN
  86. Location of important Metalic and Non Metalic Minerals
  87. Constitutional Amedments Since 1973
  88. Army,PAF and Navy Officer Ranks
  89. About Science
  90. Basic Geometry Math Defination
  91. Important Units of Measurments
  92. Basic Scientific Questions