Computer System Architecture

571. Which of the following 2 task are performed to execute an instruction by MCU:

1. Microinstruction execution
2. Microinstruction sequencing
3. Both a & b
4. None of these

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572. What is the purpose of microinstruction executions:

1. Generate a control signal
2. Generate a control signal to compile
3. Generate a control signal to execute
4. All of these

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573. Which microinstruction provide next instruction from control memory:

1. Microinstruction execution
2. Microinstruction Buffer
3. Microinstruction decoder
4. Microinstruction Sequencing

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574. Microcodes are stored as firmware in____________:

1. Memory chips
2. Registers
3. accumulators
4. none of these

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575. A control memory is ____________ stored in some area of memory:

1. Control instruction
2. Memory instruction
3. Register instruction
4. None of these

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576. A computer having writable control memory is known as____________:

1. Static micro programmable
2. Dynamic micro programmable
3. Both a & b
4. None of these

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577. The control memory contains a set of words where each word is:

1. Microinstruction
2. Program
3. Sets
4. All of these

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578. During program execution content of main memory undergo changes and, but control memory has ____________ microprogram:

1. Static
2. Dynamic
3. Compile time
4. Fixed

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579. What happens if computer is started:

1. It executes "CPU" microprogram which is sequence of microinstructions stored in ROM
2. It executes "code" microprogram which is sequence of microinstructions stored in ROM
3. It executes "boot" microprogram which is sequence of microinstructions stored in ROM
4. It executes "strap loader" microprogram which is sequence of microinstructions stored in ROM

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580. Control memory is part of ____________ that has addressable storage registers and used as temporary storage for data:

1. ROM
2. RAM
3. CPU
4. Memory

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