Computer System Architecture

521. In flow chart symbols the ____________ operation represents the direction of flow:

1. Connector
2. Looping
3. Arrows
4. Decision making

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522. Which register is memory pointer:

1. Program counter
2. Instruction register
3. Stack pointer
4. Source index

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523. How many approaches are used to design control unit:

1. 2
2. 3
3. 4
4. 5

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524. Which are the following approaches used to design control unit:

1. Hardwired control
2. Microprogrammed control
3. Both a & b
4. None of these

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525. Cache memory is located between main memory and ____________:

1. CPU
2. Memory
3. Both a & b
4. None of these

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526. ____________arrow represents the value obtained by evaluating right side expression/variable to the left side variable:

1. Forth
2. Inbetween
3. Back
4. None of these

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527. A ____________ is written as separate unit, apart from main and called whenever necessary:

1. Subroutine
2. Code
3. Block
4. None of these

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528. ____________ uses the stack to store return address of subroutine:

1. CPU
2. Microprocessor
3. register
4. memory

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529. A subroutine is implemented with 2 associated instructions:

1. CALL
2. RETURN
3. Both a & b
4. None of these

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530. Call instruction is written in the ____________ program:

1. Main
2. Procedures
3. Program
4. Memory

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