Transcription of Computer Science Questions and Answers UNIT-A Chapter …
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Computer Science Questions and Answers UNIT-A Chapter …
1 Computer Science Questions and Answers UNIT-A Chapter - 1 Configuring a Computer I One Mark question and Answer 1. Name the components of CPU Ans. a) ALU b) PC c) Accumulator d) MAR e) IR f) ID g) MDR 2. What is the use of registers in CPU? Ans. It is used to store intermediate data and instructions. 3. What is the function of MAR? Ans. It specifies the address of memory location from which data or instruction is to be accessed or to which the data is to be stored. 4. What is the function of MDR / MBR? Ans. It contains the data to be written into or read from memory location addressed by MAR. 5. What is program counter? Ans. It keeps track of the memory address of the instruction that is to be executed next. 6. What is the function of IR? Ans. It contains the instruction that is being executed. 7. What is the purpose of Instruction Decoder? Ans. It decodes the instructions.
1 Computer Science Questions and Answers UNIT-A Chapter - 1 Configuring a Computer I One Mark Question and Answer 1. Name the components of CPU
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