PPSC Junior Computer Operator 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?
(A) EDSAC ✓
(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 ✓
(B) OMR
(C) MICR
(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 ✓