11th class Computer Unit 5 MCQs
76. The operation of arithmetic and logic unit is directed by:
a. Control unit
b. ALU itself
c. Memory unit
d. Program
77. Which memory retains its contents without constant electronic refreshment:
a. Static RAM
b. Dynamic RAM
c. Static ROM
d. Dynamic ROM
78. Which of the following is used for static RAM technology?
a. Cache memory
b. Primary memory
c. CPU registers
d. Secondary storage
79. Which of the following is not a type of ROM:
a. EEPROM
b. FROM
c. FPROM
d. EPROM
80. EEPROM chips:
a. Cannot be reprogrammed
b. Can be reprogrammed by ultraviolet light
c. Can be reprogrammed electronically
d. A and b
81. The data moves between the internal components of the computer using:
a. Cable
b. Bus
c. Link
d. Connector
82. A bus line consists of:
a. Parallel lines
b. Registers
c. Bits
d. Accumulators
83. The bus used to connect the CPU to memory on the system board is called:
a. Expansion bus
b. System bus
c. Extension bus
d. Word bus
84. ……… allows the processor to communication with peripheral devices.
a. Memory bus
b. Expansion bus
c. Processor bus
d. System bus
85. Which of the following is not a type of bus in computer?
a. Timer bus
b. Data bus
c. Control bus
d. Address bus
86. A 32 bits bus is ……… than a 16 bits bus:
a. Longer
b. Wider
c. Faster
d. A and b
87. A bus with 32 lines can carry ……… bytes of data:
a. 32
b. 2
c. 64
d. 4
88. A bus that moves data between the central processor and memory is known as:
a. Processor bus
b. I/O bus
c. Data bus
d. CPU bus
89. A bus with 64 lines can carry ……… of data:
a. 16 bits
b. 32 bits
c. 64 bytes
d. 64bits
90. Which type of bus transmits control signal like ACKS?
a. Address bus
b. Data bus
c. Serial bus
d. Control bus
91. The boards used to connect additional devices to the computer are connected to the motherboard through ………
a. Connectors
b. Expansion slots
c. Sector
d. Links
92. Expansion slots connect interface cards to:
a. Motherboard
b. Ports
c. System bus
d. Peripheral devices
93. A port on the computer may be connected to:
a. Motherboard
b. Expansion
c. CPU
d. A & C
94. The external devices connected to a computer system are known as:
a. Buses
b. Expansion cards
c. Slots
d. Peripherals
95. What is the main purpose of secondary storage devices?
a. Permanent storage of data
b. Calculating data
c. Output of information
d. Temporary storage of data
96. Which of the following is not considered to be a peripheral device?
a. Monitor
b. Disk drive
c. CPU
d. Keyboard
97. BIOS stand for:
a. Boolean input/output system
b. Binary input/output system
c. Basic inner/outer system
d. Basic input/output system
98. The process of storing the programs and data in memory is called:
a. Data processing
b. CPU
c. Stored program concept
d. Fixed disk
99. Which component handles the processor communication with its peripheral?
a. Bus interconnection
b. Control Unit
c. NIC
d. I/O Unit
100. CU stands for:
a. Calculating Unit
b. Control Unit
c. Communication Unit
d. Cache Unit