Important Paper Computer
1. A group of bits that tells the computer to perform a specific operation is known as
(1) instruction code
(2) micro-operation
(3) accumulator
(4) register
(5) None of these
Ans. (1)
2. The communication line between CPU memory and peripherals is called a
(1) bus
(2) line
(3) media
(4) All of these
(5) None of these
Ans. (1)
3. The first microprocessor was
(1) Intel 4004
(2) 8080
(3) 8085
(4) 4008
(5) 8081
Ans. (1)
4. Memory unit that communicates directly with the CPU is called the
(1) main memory
(2)secondary memory
(3) auxiliary memory
(4) register
(5) None of these
Ans. (4)
5. Where does computer add and compare data?
(1) Hard disk
(2) Floppy disk
(3) CPU chip
(4) Memory chip
(5) None of these
Ans. (3)
6. The control unit controls other units by generating
(1) control signals
(2) timing signal
(3) transfer signal
(4) command signal
(5) None of these
Ans. (1)
7. Pipeline strategy is called implement
(1) ,instruction execution
(2) instruction pre fetch
(3) instruction decoding
(4) instruction manipulation
Ans.(2)
8. When machine instructions are being executed by a computer the instruction phase followed by the execution phase is referred to as
(1) program cycle
(2) machine instruction
(3) instruction cycle
(4) task cycle
(5) machine cycle
Ans. (3)
9. CPU can directly understand this language
(1) C
(2) Assembly
(3) Machine language
(4) Java
(5) machine cycle
Ans. (3)
10. Which computer memory is used for storing programs and data currently being processed by the CPU?
(1) Mass memory
(2) Internal memory
(3) Non- Volatile memory
(4) PROM
(5) None of the above
Ans. (2)
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