Computer Organization Architecture - Registers


The register which holds the address of the location to or from which data are to be transferred is called

A. Index register
B. Instruction register
C. Memory address register
D. Memory data register

Option: C

Explanation :


The register which contains the data to be written into or read out of the addressed location is called

A. Memory address register
B. Memory data register
C. Program counter
D. Index register

Option: B

Explanation :


Which of the following is used as storage locations both in the ALU and the control section of a computer ?

A. Accumulator
B. Register
C. Adder
D. Decoder

Option: B

Explanation :


The register used as a working area in CPU is

A. Program counter
B. Instruction register
C. Instruction decoder
D. Accumulator

Option: D

Explanation :


Which of the following information holds the information before going to the decoder ?

A. Control register
B. Data register
C. Accumulator
D. Address register

Option: B

Explanation :

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Syllabus included in this section is-

  • Machine instructions and addressing modes
  • ALU and data-path
  • CPU control design
  • Memory interface
  • I/O interface (Interrupt and DMA mode)
  • Instruction pipelining
  • Cache and main memory
  • Secondary storage
  • Hardwired and Microprogrammed processor design
  • Instruction formats 
  • Addressing modes
  •  Memory types and organisation
  • Interfacing peripheral devices
  • Interrupts
  • Microprocessor architecture
  • Instruction set and Programming (8085, P-III/P-IV)
  • Microprocessor applications.

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