The solution of Third semester CSE COA 2018 ODD
Subject Code:1318304
1. A group of bits that tell the computer to perform the specific operation is known as
- instruction code
- micro-operation
- accumulator
- register
Answer: Instruction Code
2.An address in main memory is called
Answer: physical address
3. A registered capable of shifting its binary information either to the right or left is called
Answer: Shift Register
4.Which of the following are not a machine instruction :
Answer: MOV and END
5. Memory unit accessed by content is called
Answer: Associative Memory
6. In a system, which has 32 register the register id is ....... long
Answer: 5 bits
7. The two phases of executing an Instruction are:
Answer: Fetching and Executing
8. The addressing mode which makes use of the in-direction pointer is...
Answer: Indirect Addressing mode
9. The addressing mode, which uses the PC instead of a general-purpose register is ....
Answer: Relative
10. The addressing mode, where you directly specify the operand value is ...
Answer: Immediate
11. ... converts the program written in assembly language into machine Instructions.
Answer: Assembler
12. The instructions like MOV or ADD are called as...
Answer: Opcode
13. The interrupt - request line is a part of the
Answer: Control Line
14. The DMA transfers are performed by a control circuit called as
Answer: DMA Controller
15. The DMA controller has ... registers
Answer: 3
16. The controller is connected to the...
Answer: System Bus
17. The register of the controller is...
Answer: 32 bits
18. A collection of lines that connects several devices is Called ...
Answer: Peripheral Wire
19. Memory address refers to the successive memory words and the machine is called as
Answer: Word Addressable
20. An expectation condition in a computer system by an event external to the CPU is called
Answer: Interrupt
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