Computer System Architecture

331. ____________ is given an instruction in machine language this instruction is fetched from the memory by the CPU to execute:

1. ALU
2. CPU
3. MU
4. All of these

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332. Which cycle refers to the time period during which one instruction is fetched and executed by the CPU:

1. Fetch cycle
2. Instruction cycle
3. Decode cycle
4. Execute cycle

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333. How many stages of instruction cycle:

1. 5
2. 6
3. 4
4. 7

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334. Which are stages of instruction cycle:

1. Fetch
2. Decode
3. Execute
4. Derive effective address of the instruction
5. All of these

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335. Which instruction are 32 bits long , with extra 16 bits:

1. Memory reference instruction
2. Memory reference format
3. Both
4. None of these

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336. Which is addressed by sign extending the 16-bit displacement to 32-bit:

1. Memory address
2. Effective memory address
3. Both a and b
4. None of these

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337. Which are instruction in which two machine cycle are required:

1. Instruction cycle
2. Memory reference instruction
3. Both
4. None of these

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338. Which instruction are used in multithreaded parallel processor architecture:

1. Memory reference instruction
2. Memory reference format
3. Both
4. None of these

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339. Which instruction are arranged as per the protocols of memory reference format of the input file in a simple ASCII sequence of integers between the range 0 to 99 separated by spaces without formatted text and symbols:

1. Memory reference instruction
2. Memory reference format
3. Both
4. None of these

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340. ____________ is an external hardware event which causes the CPU to interrupt the current instruction sequence:

1. Input interrupt
2. Output interrupt
3. Both
4. None of these

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