Computer Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
41. A small, silicon object which contains microscopic circuitry is termed as
(a) Processor
(b) Microchip
(c) Transistor
(d) Chipboard
42. KB, MB, GB, is respectively
(a) Kilo Bytes Mega Bytes Giga Bytes
(b) Kilo Bits Mega Bits Giga Bits
(c) Kelvin Bytes Medium Bytes Giga Bytes
(d) None of these
43. Which software controls basic I/O device
(a) Device Driver
(b) Anti-Virus tool kit
(c) Business Software
(d) Operating System
44. What is Cache memory
(a) Faster than the Main Memory
(b) Smaller than the Main Memory
(c) Slower than the Main Memory
(d) Both a & b
45. A program, document, utility—that isn’t hardware on a computer is termed as
(a) Software
(b) Data
(c) Extension
(d) File
46. Which is the biggest company of Computers in the world
(a) Den
(b) H.P
(c) IBM
(d) None of above
47. What is called a hardware item that can be attached to a computer to increase its functionality, such as a printer or monitor
(a) Additional devices
(b) Accessory
(c) Peripheral
(d) Devices
48. What is termed the portion of RAM set aside for temporarily holding information read from a disk
(a) ROM
(b) Cache memory
(c) Bus
(d) Disk Cache
49. What type of devices are computer speakers or headphones
(a) Input
(b) Output
(c) Both a & b
(d) None of these
50. Computers calculate numbers in what mode
(a) Decimal
(b) Octal
(c) Binary
(a) None of these
51. In which year was ASCII formed
(a) 1963
(b) 1973
(c) 1983
(d) 1993
52. Which of the following is not a UNIX or Linux variant
(a) Debian
(b) DOS
(c) Both a & b
(d) None of these
53. Second largest search engine of the Internet is
(a) Google
(b) MSN
(c) Yahoo
(d) Bing
54. What is the capacity of a standard PC floppy
(a) 2MB
(b) 1.44MB
(c) Both a & b
(d) None of these
55. 1 KB is equal to
(a) 1024 Bytes
(b) 1000 Bytes
(c) 1256 Bytes
(d) 1064 Bytes
56. “INI” extension refers usually to what kind of file
(a) Image file
(b) System file
(c) Both a & b
(d) None of these
57. Which media holds more information
(a) DVS
(b) CD ROM
(c) Both a & b
(d) None of these
58. Where does most data go first within a computer memory hierarchy
(a) RAM
(b) ROM
(c) Both a & b
(d) CPU
59. The center processing unit of a computer consist 3 units namely
(a) Arithmetic Logic Unit, Control Unit, Memory Unit
(b) High level Unit, Control Unit, Memory Unit
(c) Arithmetic Logic Unit, Body Unit, Memory Unit
(d) Arithmetic Logic Unit, Control Unit, Main Unit
60. What is a clock cycle
(a) CPU Processing Speed
(b) The accuracy of a computer
(c) Both a & b
(d) None of the above
