1. 1 Kilobyte (KB) is equal to _______________.
a. 100 bytes b. 1000 bytes c. 1024 bytes d. 1024 bits
2. 1 Megabyte (MB) is equal to ______________.
a. 1024 KB b. 1024 bytes c. 1024 bits d. 1000 bytes
3. 1 Gigabyte (GB) is equal to _______________.
a. 1024 bytes b. 1024 KB c. 1024 bits d. 1024 MB
4. The decimal equivalent of 01011010 is _____________________.
a. 88 b. 89 c. 90 d. 91
5. The decimal equivalent of 01000100 is _____________________.
a. 68 b. 69 c. 70 d. 71
6. The decimal equivalent of 00110010 is _____________________.
a. 49 b. 50 c. 51 d. 52
7. ASCII value of “D” is ____________.
a. 68 b. 69 c. 70 d. 71
8. ASCII value of “e” is _____________.
a. 101 b. 99 c. 100 d. 98
9. ASCII value of “F” is _____________.
a. 68 b. 69 c. 70 d. 71
10. _____________ is the group of parallel conductors found on the motherboard used by
CPU to send and receive data from all devices in the computer.
a. RAM b. Address bus c. RAM d. Data bus
11. ______________ is the group of parallel conductors found on motherboard and used by
CPU to address memory locations.
a. Address bus b. Expansion slot c. Data bus d.RAM
12. Which of the following is true about expansion slots?
a. Stores temporary information that the CPU need to keep running.
b. Specialised sockets that allow additional devices called expansion cards to be
attached to the motherboard.
c. A group of computer chips when working together manage and control the computer
system
d. Establishes the maximum speed at which the processor can execute commands
13. ________________is group of integrated circuits that, when working together, manage
and control the computer system.
a. Chip set
b. Motherboard
c. Data bus
d. Plotter
14. ______________ establishes the maximum speed at which the processor can execute
commands.
a. Memeory
b. Data bus
c. Address bus
d. CPU Clock
15. Which of the following statement is true about Data bus?
a. Specialized sockets that allow additional devices called expansion cards.
b. A group of parallel conductors used by the CPU to address memory locations.
c. A group of parallel conductors used by the CPU to send and receive data from all the
devices
d. Allows the computer to coordinate and execute all internal commands in proper order
16. _____________ converts computer data to information that can be transmitted over
telephone wires and cable lines.
a. Network card b. Data bus c. Modem d. Address bus
17. ____________ converts a local power source to different volts of DC.
a. UPS
b. Power supply
c. Surge suppressor
d. Case
18. ____________ acts as both surge suppressor and a power leveller and provide computer
with constant source of power.
a. Case b. UPS c. Surge suppressor d. Power supply
19. Which of the following is not one of the stages of computing?
a. Input b. Output c. Input/Output d. Processing
20. Which of the following is a high capacity magnetic disk for storing data and program
files?
a. Floppy Disk b. Tape Drive c. CD recorder d. Hard disk
21. ______________ reproduce sound in a computer.
a. CD ROM b. Speaker c. Microphone d. CD R/W
22. __________ is an expansion card that allows several computers to connect to each other
and share information and programs.
a. Modem b. Sound card c. Hard disk drive d. Network card
23. ________________ converts printed or photographic information to digital information
that can be used by computer.
a. Keyboard b. Microphone c. CD-ROM d. Scanner
24. Which of the following is true about keyboard?
a. Allows input of voice or music to be converted to digital information and saved to a file.
b. Primary input device allows users to type information just as they type on typewriter.
c. Used in graphical interface environments to point and select objects on the systems
monitor.
d. Converts photographic information to digital information that can be used by the
computer.
25. Which of the following output device can be used for making hard copy of very large
drawings?
a. Plotter b. Printer c. Speaker d. Monitor
26. _____________ allows input of voice or music to be converted to digital information and
saved to a file.
a. CD ROM b. Speaker d. Microphone d. CD R/W
27. Which of the following is not true about CPU?
a. It is a primary route for data in a personal computer.
b. It is a part of computer where arithmetic operations are performed.
c. It is a part of computer where logical operations are performed.
d. It controls the operations of the computer.
28. Which of the following is not a size a data bus can have?
a. 16 b. 32 c. 46 d. 64
29. Transistor switches have __________ terminals.
a. Two terminals
b. Four terminals
c. Six terminals
d. One terminal
e. Three terminals
30. What was used before transistors were used?
a. Integrated circuits b. Vacuum tubes c. Semiconductor d. Silicon
31. The system clock rate, which is measured in _______________.
a. MHZ b. Bytes c. MB d. KB
32. ____________ is an integrated circuit that contains a complete CPU on single chip.
a. Microprocessor b. Registers c. Transistors d. Memory
33. ______________ is the art of using hard disk space to hold data not immediately required
by the processor.
a. Cache memory b. Main memory c. Virtual memory d. Secondary memory
34. Which of the following is not true about registers?
a. Registers are rows of microscopic switches
b. Registers are place for storing data permanently
c. Registers are temporary memory storage areas used during data manipulation
d. Registers width can be 4, 8, 16, 32.
35. Which of the following is not used for gauging the performance of microprocessor?
a. Address bus
b. Number of transistors
c. CPU socket
d. External data bus
36. Which of the following is not a subsystem of microprocessor?
a. CU b. IC c. ALU d. I/O unit
37. What does ZIF stands for?
a. Zero internal force
b. Zed internal force
c. Zero inferior force
d. Zero insertion force
38. Which subsystem of microprocessor performs arithmetic operations?
a. CU
b. I/O unit
c. Data bus
d. ALU
39. ______________ socket was most popular for PC’s with 486 and early Pentium CPU’s.
a. ZIF b. JIF c. PIF d. LIF
40. If a machine has 700 MB of hard disk space and 256 MB of RAM then the size of virtual
memory is_______________.
a. 445 MB b. 444 MB c. 446 MB d. 447 MB
41. ______________ are used by CPU as temporary memory storage areas used during data
manipulation.
a. Registers
b. ROM
c. Virtual memory
d. Secondary memory
42. Which of the following is used to convert alternating current (AC) to Direct current(DC)
a. CPU
b. Power supply
c. Cabinet
d. Printer
43. ______________ are the wires that have Molex connectors at both the ends.
a. Extender b. Two pin mini plug c. Three pin mini plug d. Splitter
44. These are the brief increase in voltage measured in milliseconds.
a. Blackout b. Surges c. Sags d. Spike
45. _______________ Connector is used for supplying power to 3.5 inch floppy disk drive.
a. Mini b. Two pin mini plug c. Molex d. Three pin mini plug
46. These are the brief increase in voltage measured in nanoseconds.
a. Spike b. Surge d. Sags d. Brownout
47. Which of the following is not a power delivery problem?
a. Surges b. Sags c. Blackout d. Stock
48. These are the brief decrease in voltage less than 1 second.
a. Brownout b. Blackout c. Sags d. Spikes
49. Which of the following provide two power connectors from a single power supply
connector?
a. Splitter b. Extender c. Two pin plug d. Three pin plug
50. ATX style power supplies connect to motherboard using___________.
a. Six-wire connector
b. Molex
c. 20-pin connector
d. Three pin mini plug
51. AT style power supply connect to motherboard using _______________.
a. Pair of six-wire connector
b. Molex
c. 20-pin connector
d. Three pin mini plug
52. These are brief decrease in voltage lasting more than 1 second.
a. Brownout b. Blackout c. Sags d. Spikes
53. Which of the following connector is used for supplying power to 3.5 inch floppy disk
drive?
a. Two pin plug b. Molex c. Three pin plug d. Mini
54. Two and three pin mini plugs are not used for which one of the following?
a. Connect fan of Pentium II or III processor to the motherboard for power
b. Connect CD-ROM drive to the sound card.
c. Connect hard disk drive for power.
55. Which of the following is used for supplying power to devices such as Hard disk drive,
CD-ROM, DVD etc.?
a. Two pin plug b. Molex c. Three pin plug d. Mini
56. ______________ is a complete power failure caused by equipment failure or accidental
cutting of power cables.
a. Brownout b. Blackout c. Sags d. Spikes
57. The unit of measurement of power supply wattage is_____________.
a. Watts b. Volts c. MHz d. Kilobytes
58. Which of the following is a volatile memory?
a. RAM
b. ROM
c. POST
d. BIOS
59. Access Speed is the amount of time taken for the RAM to provide requested data to the
memory controller.
a. False
b. True
60. How many devices does USB support?
a. 34
b. 64
c. 127
d. 256
61. ________________ is an error detection technique in which data integrity is ensured by
adding an extra bit along with each 8-bit bus cycle.
a. Error correction coding
b. DRAM
c. Parity
d. None of the above
62. ______________ is used to hold the recently or frequently used code or data in a special
memory location for rapid retrieval.
a. ROM
b. Cache
c. Control unit
d. Harddisk
63. Access Speed is denoted in___________________
a. Nanoseconds
b. Microseconds
c. Milliseconds
d. All of the above
64. SCSI is the acronym for _________________________
a. Single Computer System Interface
b. Small Computer System Interface
c. Small Computer Small Interface
d. Single Computer Single Interface
65. Which of the following statements is false?
a. RAM is Random Access Memory
b. RAM is what is most often referred when PC memory is discussed
c. If the power to the system is lost data in RAM is lost
d. RAM is used to store data permanently
66. USB is the acronym for _________________________.
a. Universal Serial Bus
b. Universal System Bus
c. Universal Single Bus
d. Universal Small Bus
67. ___________________ are used to directly connect two computers together without the
need for a modem.
a. Parallel printer cables
b. Keyboard cables
c. SCSI cables
d. Null Modem cables
68. _________________ is an input/output port that manages information 8 bits at a time,
often used to connect a parallel printer.
a. Null modem cable
b. Parallel port
c. SCSI cable
d. Serial port
69. ___________ is the generic term for any connector on a computer that allows a cable to
be plugged into it.
a. Replicator
b. IC
c. Bus
d. Port
70. Which of the following is the main function of DMA (Direct Memory Access) chip?
a. Handles all the data passing from peripherals to RAM and vice versa
b. Handles all the data passing from ROM to RAM and vice versa
c. Handles all the data passing from ALU to RAM and vice versa
d. Handles all the data passing from virtual memory to RAM and vice versa
71. _______________ is a type of semiconductor package wherein the package has a single
row of conductor pins on one side only.
a. SIP
b. DIP
c. DIMM
d. RIMM
72. ____________ is the main system memory in a computer, used by the operating system,
application programs and data.
a. ROM
b. RAM
c. Cache memory
d. Virtual memory
73. Dynamic RAM is faster than static RAM.
a. False
b. True
74. EEPROM is the acronym for __________________________
a. Extended Erasable Programmable Read Only Memory
b. Electronic Erasable Programmable Read Only Memory
c. Electrically Erasable Programmable Read Only Memory
d. Electric and Electronic Programmable Read Only Memory
75. Active memory is faster than storage because there are fewer physical operations
involved in obtaining the data, and the CPU has direct control over the memory.
a. False
b. True
76. The information that is required to start and run the computer is stored in ROM
because___________
a. It is Random Access Memory
b. It is non volatile memory
c. It is volatile memory
d. All of the above
77. In ___________ the information can be altered by using electrical signals at the register
level rather than erasing all the information.
a. POST
b. EEPROM
c. USB
d. RPOM
78. Which of the following is a bus that connects external peripherals such as mouse,
printers, keyboards, scanners etc?
a. USB
b. SIP
c. SIMM
d. DIMM
79. The access speed of a chip is usually printed on a chip.
a. True
b. False
80. ___________ and ___________ are the two primary methods of ensuring that the data
received is the same as the data sent.
a. Parity & PROM
b. ECC & PROM
c. Parity & ECC
d. None of the above
81. ___________________ are patterns of 1s and 0s transmitted across the address bus by the
CPU.
a. DMA
b. COM
c. Ports
d. I/O address
82. DMA stands for _________________.
a. Dual Memory Access
b. Direct Medium Access
c. Direct Memory Access
d. Dual Memory Address
83. COM ports are used for ________________
a. Serial devices
b. Parallel devices
c. Cache memory
d. Virtual memory
84. To protect the disk from dust and physical damage, it is packaged in a _________
a. Plastic Case
b. Glass Case
c. Copper Case
d. Wood Case
85. The system will make ______ attempts to read data from a drive before reporting an
error.
a. One
b. Two
c. Five
d. Ten
86. BIOS stands for _________________
a. Basic Input Output System
b. Basic Interrupt Output System
c. Beginners Input and Output System
d. Battery IO System
87. All floppy disk drives are connected to the motherboard’s external data bus by
____________________
a. 40- pin cable
b. 6- wire connector
c. 20- pin connector
d. 34- lead ribbon cable
88. POST stands for_____________________.
a. Power-On Self Test
b. Power Output System
c. Power Output Supply Transistor
d. Plotter output Supply System
89. ESDI stands for___________________.
a. Enhanced Small Device Interface
b. Extra Sensitive Disk Initializer
c. Extended Small Device Input
d. Extended Small Device Interrupt
90. The base storage unit for drives is a ____________
a. Sector
b. Cylinder
c. Track
d. Floppy
91. ___________is used by MS-DOS to know which sectors are full and which sectors are
available for data.
a. Cluster
b. File Allocation Table
c. Tracks
d. Sectors
92. A sector can store maximum of _______________ bytes of data.
a. 512 b. 256 c. 1024 d. 128
93. _______________means combining a set of contiguous sectors and treating them as a
single unit in the FAT.
a. Clustering
b. Sectoring
c. Partitioning
d. Tracking
94. _________are logical divisions of a hard drive.
a. Partitions
b. Tracks
c. Sectors
d. Floppy
95. A computer can have maximum of __________________ logical drives (partitions).
a. 26 b. 25 c. 24 d. 23
96. The ___________partition is for a hard disk drive, or part of a hard disk drive, that does
not have an operating system.
a. Extended
b. Extra
c. Primary
d. Zero
97. FAT 32 uses smaller cluster than FAT 16, which result in more efficient use of space on a
large hard disk.
a. True
b. False
98. Which of the following is not a hard disk drive type?
a. ST-506 b. EIDE c. EDSI d. ESDI
99. ________________ is a means of combining a set of continues sectors and treating them
as a single unit in FAT.
a. Partition b. Cylinder c. Track d. Cluster
100. ______________partition is the location where boot information for operating system is
stored.
a. Extended b. Secondary c. Auxiliary d. Primary