PPSC Junior Computer Operator Solved Past Paper

PPSC Junior Computer Operator Solved Past Paper

PPSC Junior Computer Operator (BS-12) Solved Past Paper 2019


Test of PPSC Junior Computer operator includes 70% computer sciences related mcqs and 30% from English, General Knowledge, Current Affairs, Pak Affairs, Mathematics mcqs, etc.


PPSC Junior Computer Operator Solved Past Paper


1. The term ‘Computer’ is derived from
(A) Latin ✓
(B) German
(C) French
(D) Arabic


2. Who is the father of Computer?
(A) Allen Turing
(B) Charles Babbage ✓
(C) Simur Cray
(D) Augusta Adaming


3. The basic operations performed by a computer are
(A) Arithmetic operations
(B) Logical operation
(C) Storage and retrieve
(D) AH the above ✓


4. Who is the father of Internet?
(A) Charles Babbage
(B) Vint Cerf ✓
(C) Denis Riche
(D) Martin Cooper
Vint Cerf. Widely known as a “Father of the Internet,” Cerf is the co-designer of the TCP/IP protocols and the architecture of the Internet. In December 1997, President Bill Clinton presented the U.S. National Medal of Technology to Cerf and his colleague, Robert E. Kahn, for founding and developing the Internet.


5. If a computer has more than one processor then it is known as .
(A) Uniprocess
(B) Multiprocessor ✓
(C) Multi-threaded
(D) Multi-programming


6. A light sensitive device that converts drawing, printed text or other images into digital form is  .
(A) Keyboard
(B) Scanner ✓
(D) None of these


7. WWW stands for .
(A) World Whole Web
(B) Wide World Web
(C) Web World Wide
(D) World Wide Web ✓


8. A collection of system programs they controls and coordinates the overall operations of a computer system is called.
(A) System software
(B) Operating system ✓
(C) Utility program
(D) Device driver


9. What type of operating system MS-DOS is?
(A) Command Line Interface ✓
(B) Graphical User Interface
(C) Multitasking
(D) Menu Driven Interface


10. Which technology is used mil compact disks?
(A) Mechanical
(B) Electrical
(C) Electro magnetic
(D) Laser ✓


11. 1 Gigabyte is equal to ?
(A) 1024 bits
(B) 1000 megabytes
(C) 1024 kilobytes
(D) 1024 megabytes ✓


12. The brain of any computer system is_____.
(B) Memory
(C) CPU ✓
(D) Control unit


13. Which of the following are components of Central Processing Unit (CPU) ?
(A) Arithmetic logic unit, Mouse
(B) Arithmetic logic unit, Control unit ✓
(C) Arithmetic logic unit, Integrated circuits
(D) Control Unit, Monitor


14. Analog computer works on the supply of______.
(A) Continuous electrical pulses ✓
(B) Electrical pulses but not continuous
(C) Magnetic strength
(D) None of the above


15. Which one is digital device, select from the choices below.
(A) Digital Clocks
(U) Automobile speed meter
(C) Clock with a dial and two hands
(D) All of them


16. The computer that processes both analog and digital is called  .
(A) Analog computer
(B) Digital computer
(C) Hybrid computer ✓
(D) Mainframe computer


17. CD-ROM stands for_____.
(A) Compactable Read Only Memory
(B) Compact Data Read Only Memory
(C) Compactable Disk Read Only Memory
(D) Compact Disk Read Only Memory ✓


18. ALU is______.
(A) Arithmetic Logic Unit ✓
(B) Array Logic Unit
(C) Application Logic Unit
(D) None of above


19. VGA is ____.
(A) Video Graphics Array ✓
(B) Visual Graphics Array
(C) Volatile Graphics Array
(D) Video Graphics Adapter


20. MSI stands for .
(A) Medium Scale Integrated Circuits ✓
(B) Medium System Integrated Circuits
(C) Medium Scale Intelligent Circuit
(D) Medium System Intelligent Circuit


21. WAN stands for .
(A) Wap Area Network
(B) Wide Area Network ✓
(C) Wide Array Net
(D) Wireless Area Network


22. What is the main difference between a mainframe and a super computer?
A. Super computer is much larger than mainframe computers
B. Super computers are much smaller than mainframe computers
C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.


23. is called the father of modern digital computer.
(A) Leibnitz
(B) Blaise Pascal
(C) Charles Babbage ✓
(D) J.H Muller


24. Who is the father of Computer Science?
(A) Allen Turing ✓
(B) Charles Babbage
(C) Simur Cray
(D) Augusta Adaming


25. A CPU contains .
(A) a card reader and a printing device
(B) an analytical engine and a control unit
(C) a control unit and an arithmetic logic unit ✓
(D) an arithmetic logic unit and a card reader


PPSC Junior Computer Operator Solved Past Paper

PPSC Junior Computer Operator (BS-12) Solved Past Paper 2019 page-2

28. Which of the following controls the process of interaction between the user and the operating system?
(A) User interface ✓
(B) Language translator
(C) Platform
(D) Screen saver


27. The first computers were programmed using .
(A) Assembly language
(B) Machine language ✓
(C) Source code
(D) Object code


28.  is a combination of hardware and software that facilitates the sharing of information between computing devices.
(A) Network ✓
(B) Peripheral
(C) Expansion board
(D) Digital


29. Coded entries which are used to gain access to a computer system are called .
(A) Entry codes
(B) Passwords ✓
(C) Security commands
(D) Code words


30. Which of the following statements is true about Minicomputer and Microcomputer?
(A) Minicomputer works faster than Microcomputer ✓
(B) Microcomputer works faster than Minicomputer.
(C) Speed of both the computers is the same
(D) The speeds of both these computers cannot be compared with the speed of. advanced


31. You can Organize files by storing them in  .
(A) Archives
(B) Folders ✓
(C) Indexes
(D) Lists


32. What type of resource is most likely to be a shared common resource in a computer network?
(A) Printer ✓
(B) Speaker
(C) Floppy disk drive
(D) Keyboard


33. Which device is required for the Internet connection?
(A) Joystick
(B) Modem ✓
(C) CD Drive
(D) NIC Card

34. What is a light pen?
(A) A mechanical input device
(B) Optical input device ✓
(C) Electronic input device
(D) Optical output device


35. UNIVAC is .
(A) Universal Automatic Computer ✓
(B) Universal Array Computer
(C) Unique Automatic Computer
(D) Unvalued Automatic Computer


36. The capacity of 3.5 inch floppy disk was______
(A) 1.40 MB
(B) 1.44 GB
(C) 1.40 GB
(D) 1.44 MB ✓


37. MICR stands for .
(A) Magnetic Ink Character Reader ✓
(B) Magnetic Ink Code Reader
(C) Mafnetic Ink Cases Reader
(D) None


38. EBCDIC stands for _____
(A) Extended Binary Coded Decimal Interchange Code ✓
(B) Extended Bit Code Decimal Interchange Code
(C) Extended Bit Case Decimal Interchange Code
(D) Extended Binary Case Decimal Interchange Code


39. Which of’the following is a part o fthe Central Processing Unit?
(A) Printer
(B) Keyboard
(C) Mouse
(D) Arithmetic & logic unit ✓


40. CAD stands for .
(A) Computer Aided Design ✓
(B) Computer Algorithm for Design
(C) Computer Application in Design
(D) Computer Analogue Design ‘


41. Junk e-mail is also called
(A) Spam ✓
(B) Spoof
(C) Sniffer script
(D) Spool


42. Which statement describes “Hackers”?
(A) All have the same motive
(B) Break into other people’s computers ✓
(C) May legally break into computers as long as they do not do any damage
(D) Are people who are allergic to computers


43. What type of computers are client computers (most of the time) in a client-server system?
(A) Mainframe .
(B) Mini-computer
(C) Microcomputer ✓


44. A computer cannot ‘boot’ if it does not have the
(A) Compiler
(B) Loader
(C) Operating System ✓
(D) Assembler


45. The amount of vertical space between lines of text in a document is called .
(A) Double-space
(B) Line spacing ✓
(C) Single space
(D) Vertical spacing


46. Example of non-numeric data is_____.
(A) Employee address ✓
(B) Examination score
(C) Bank balance
(D) All of these


47. What is embedded system?
(A) The programme which arrives by being wrapped in box
(B) The programme which is the permanent part of the computer
(G) The computer which is the part of a big computer
(D) The computer and software system that control the machine ✓


48. First page of Website is termed as______
(A) Homepage
(B) Index ✓
(C) JAVA script
(D) Bookmark


49. When a file is saved for the first time:
(A) A copy is automatically printed
(B) It must be given a name to identify it ✓
(C) It does not need a name
(D) It only needs a name if it is not going to be printed


50. Where are data and programme stored when the processor uses them?
(A) Main memory ✓
(B) Secondary memory
(C) Disk memory
(D) Programme memory


PPSC Solved Past Paper

PPSC Junior Computer Operator (BS-12) Solved Past Paper 2019 page-3

51. represents raw facts, whereas  is data made meaningful.
(A) Information, reporting
(B) Data, information ✓
(C) Information, bit
(D) Records, byte


52. What characteristic of Read-Only Memory (ROM) makes it useful?
(A) ROM information can be easily updated
(B) Data in ROM is non-volatile, that is, it remains there even without electrical power ✓
(C) ROM-provides very large amounts of inexpensive data storage
(D) ROM chips are easily swapped between different brands of computers


53. What do you call the programs that are used to find out possible faults and their causes?
(A) Operating system extensions
(B) Cookies
(C) Diagnostic software ✓
(D) Boot diskettes


54. Which programming languages are classified as low level languages?
(A) BASIC, COBOL, Fortran
(B) Prolog
(C) C, C++
(D) Assembly languages ✓


55. Which of the following is not anti-viruse software?
(A) Avira
(B) Kaspersky
(C) Oracle ✓
(D) McAfee


56. What does DMA stand for?
(A) Distinct Memory Access
(B) Direct Memory Access ✓
(C) Direct Module Access
(D) Direct Memory Allocation


57. Which of the following is a storage device?
(A) Tape
(B) Hard Disk
(C) Floppy Disk
(D) All of the above ✓


58. When did John Napier develop logarithm?
(A) 1416
(B) 1614 ✓
(C) 1641
(D) 1804


59. MIS is designed to provide information needed for effective decision making by.
(A) Consumers
(B) Workers
(C) Foremen
(D) Managers ✓


60. ASCII stands for .
(A) American Stable Code for International Interchange
(B) American Standard Case for Institutional Interchange
(C) American Standard Code for information Interchange ✓
(D) American Standard Code for Interchange Information


61. Which of the following is first generation of computer?
(B) IBM-1401
(C) CDC-1604
(D) ICL-2900


62. IBM 1401 is
(A) First Generation Computer
(B) Second Generation Computer ✓
(C) Third Generation Computer
(D) Fourth Generation Computer


63. Chief component of first generation computer were .
(A) Transistors
(B) Vacuum Tubes and Valves ✓
(C) Integrated Circuits
(D) None of above


64. Second Generation1 computers were developed during .
(A) 1949 to 1955
(B) 1956 to 1965 ✓
(C) 1965 to 1970
(D) 1970 to 1990


65. The computer size was very large in  _.
(A) First Generation ✓
(B) Second Generation
(C) Third Generation
(D) Fourth Generation


66. Microprocessors as switching devices are for computers.
(A) First Generation –
(B) Secorfd Generation
(C) Third Generation
(D) Fourth Generation ✓

67. Which of the following devices can be used to directly image printed text?
(A) OCR2 ✓
(D) All of above


68. The output quality of a printer is measured by .
(A) Dot per inch
(B) Dot per sq. inch ✓
(C) Dots printed per unit time
(D) All of above


69. In analogue computer:
(A) Input is first converted to digital form
(B) Input is never converted to digital form ✓
(C) Output is displayed in digital form
(D) All of above


70. In latest generation computers, the ; instructions are executed:
(A) Parallel only
(B) Sequentially only
(C) Both sequentially and parallel ✓
(D) All of above


71. Pickout the serial number of Surah Maryam in the 114 Surahs of Holy Quran.
(A) 15
(B) 17
(C) 19 ✓
(D) 21


72. Which neighboring country of Pakistan is a landlocked country?
(A) Afghanistan ✓
(B) China
(C) India
(D) Iran


73. A library received an average of 50 visitors every Sunday and on other days 240. What is the average number of visitors in a month of 30 days beginning with Sunday?
(A) 280
(B) 285 ✓
(C) 290
(D) 295


74. Which of the following is divisible by 12?
(A) 4653
(B) 4818
(C) 4404 ✓
(D) 4501


75. If a cube has 3 inches width, 3 inches length and 3 inches height, what would be the volume (in cubic inches) of the cube?
(A) 9 cubic inches
(B) 15 cubic inches
(C) 18 cubic inches
(D) 27 cubic inches ✓


PPSC Solved Past Paper

PPSC Junior Computer Operator (BS-12) Solved Past Paper 2019 page-4

76. What is the sum of four integers whose average is 13?
(A) 81
(B) 36
(C) 52 ✓
(D) 9


77. If 35 labourers dig 805 cubic meters of earth in 5 hrs, how much of the earth will 30 labourers dig in 6 hrs?
(A) 726 m3
(B) 828 m3 ✓
(C) 869 m3
(D) 928 m3


78. Complete the series: 1, 2, 4, 7,11,16,
(A) 20
(B) 24
(C) 22 ✓
(D) 26


79. Find the correct indirect sentence: Shahid’s brother said to him, “Please wait for me.”
(A) Shahid’s brother asked him to wait for him.
(B) Shahid’s brother suggested him to wait for him.
(C) Shahid’s brother said to him to wait for me.
(D) Shahid’s brother requested him to wait for him. ✓


80. Change from Active to Passive Voice: “She was watching a film.”
(A) A film was being watched by her. ✓
(B) A film is being watched by her.
(C) A film will be watched by her.
(D) A film was watched by her.


81. Change the Voice of the following sentence: “I will have finished that book.”
(A) That book has been finished by me.
(B) That book will be finished by me.
(C) That book will have been finished by me. ✓
(D) None of these


82. A young police officer was charged _____ the task of transporting the prisoners.
(A) For
(B) By
(C) In
(D) With ✓


83. The synonym of “Banish” is:
(A) Recall
(B) Exiled ✓
(C) Digest
(D) Exonerate


84. Synonym of “Coagulate” is:
(A) Collect
(B) Solidify ✓
(C) Melt
(D) Mix


85. Complete the idiom with a pair of words: “A sleeping ____ catches no______.
(A) Bird: Worm
(B) Dog: Cat
(C) Fox: Poultry ✓
(D) Hen: Chick


86. The idiom ‘To bury the hatchet’ means:
(A) To make peaces ✓
(B) To make a foolish choice
(C) To make a wrong decision
(D) To lose something important


87. Fill in :the blank: Industry has destroyed the livelihood of many
(A) Artisans ✓
(B) Artists
(C) Peasants
(D) Soldiers


88. The synonym of “Diligent” is:
(A) Hardworking ✓
(B) Witty
(C) Deliberat
(D) Lazy


89. What is the average of all prime numbers between 30 to 50?
(A) 37
(B) 37.8
(C) 39
(D) 39.8 ✓


90. Study of spiders is called:
(A) Arachnology ✓
(B) Serology
(C) Gerontology
(D) None of these


91. Human heart comprises of how many chambers?
(A) 2
(B) 4 ✓
(C) 6
(D) 8


92. Which gas was commonly used in airships?
(A) Nitrogen
(B) Helium ✓
(C) Hydrogen
(D) Hydrogen sulphide


93. Solar eclipse occurs when:
(A) Earth comes between Sun and Moon
(B) Moon is at right angle to the Earth
(C) Moon comes between Sun and Earth ✓
(D) Sun comes between Moon and Earth


94. The lens in the human eye is:
(A) Convex Lens ✓
(B) Concave Lens
(C) Piano Concave Lens
(D) None of these


95. Blood cells are produced by in the human body.
(A) Liver
(B) Bone-marrow ✓
(C) Heart
(D) Spleen


96. Which of the following is considered the largest archipelago of the world?
(A) Philippines
(B) Indonesia ✓
(C) Virgin Islands
(D) None of these


97. ایک دن خدا کو منہہ دکھانا ہے کیا ہے؟
(A) مقولہ
(B) محاورہ
(C) ضرب المثل
(D) روزمرہ  ✓


98. شیطان کی آن ہونا محاورہ ہے۔ اس کا مفہوم کیا ہے؟
(A) بھوکا ہونا
(B) شرارتی ہونا
(C) طویل ہونا  ✓
(D) ہر وقت سر پر مسلط رہنا


99. درست جملے کی نشاندہی کیجئے۔
(A) یہ روایت بالکل صیح نہیں
(B) یہ روایت بلکل صحیح نہیں
(C) یہ روایت بلکل صحیح نہیں
(D) یہ روایت بالکل صحیح نہیں  ✓


100. طویل کا متضاد لفظ ہے؟
(A) عرض
(B) عریض  ✓
(C) عارض
(D) عارضہ


also see

PPSC Past Paper Data Entry Operator (BS-11) 2017


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