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Computer Architecture

This test consists of questions related to Computer Organisation and Architecture for Information Technology. Candidate get sectional test of computer Architecture to prepare for entrance exams

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following pipelines consist of multiple arithmetic units?

  1. Graphic pipelines
  2. Software pipelines
  3. Instruction pipelines
  4. Both (2) and (3)
  5. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following is not applicable to pipeline?

  1. Pipeline divides datapath into nearly equal tasks, to be performed serially.
  2. It requires non-overlapping resource.
  3. Pipelines are used to synchronise tasks.
  4. Pipelines are used to break each instruction down into a fixed number of tasks.
  5. None of these
Question 3 Multiple Choice (Single Answer)

What will be the performance ratio if the single-cycle time is 40 ns and the pipeline time is 12?

  1. 0.33
  2. 0.57
  3. 2.5
  4. 5.2
  5. None of the above
Question 4 Multiple Choice (Single Answer)

Which of the following is/are the true statements?

  1. Cache memory is faster than main memory.
  2. Cache memory stores data for temporary use.
  3. Cache memory consumes less access time as compared to main memory.
  4. All of the above
  5. Only (1) and (3) are true
Question 5 Multiple Choice (Single Answer)

Which of the following register points to a memory location in read/write memory is known as stack?

  1. Program Counter (PC)
  2. Stack Pointer (SP)
  3. Storage registers
  4. Flags
  5. None of these
Question 6 Multiple Choice (Single Answer)

Which of the following registers points to memory address from which the next byte is to be fetched?

  1. Stack Pointer (SP)
  2. Program Counter (PC)
  3. Storage registers
  4. Both (1) and (2)
  5. None of these
Question 7 Multiple Choice (Single Answer)

Which of the following types of memory comes under the category of internal memory?

  1. Cache memory
  2. Main memory
  3. Optical disk
  4. All of the above
  5. Both (1) and (2)
Question 8 Multiple Choice (Single Answer)

In which of the following addressing mode, the address of the operand is given in the instruction and data is available in the memory location which is provided in instruction?

  1. Index addressing mode
  2. Relative addressing mode
  3. Direct addressing mode
  4. Indirect addressing mode
  5. None of the above
Question 9 Multiple Choice (Single Answer)

Which of the following is/are false about virtual memory?

  1. It allows multiple programs to share the same physical memory.
  2. It allows programmers to write code as though they have a very large amount of main memory.
  3. Virtual memory automatically handles bringing in data from disk.
  4. All of the above
  5. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following are the tasks of a microprocessor?

  1. It communicates with peripherals devices.
  2. It is used to provide timing signal.
  3. It is used to perform computer tasks as specified by the instructions in memory.
  4. All of the above
  5. Only (1) and (3)
Question 11 Multiple Choice (Single Answer)

Which of the following logic gates is also known as inverter?

  1. NOT gate
  2. AND gate
  3. NOR gate
  4. XOR gate
  5. XNOR gate
Question 12 Multiple Choice (Single Answer)

Which of the following memories acts as a buffer between the CPU and main memory?

  1. Direct access memory
  2. Cache memory
  3. Auxiliary memory
  4. Serial access memory
  5. None of these
Question 13 Multiple Choice (Single Answer)

Which of the following addressing modes provides direct data to the operand and moves the data in accumulator?

  1. Index addressing mode
  2. Relative addressing mode
  3. Direct addressing mode
  4. Indirect addressing mode
  5. Immediate addressing mode
Question 14 Multiple Choice (Single Answer)

Which of the following addressing modes is used to determine the effective address by adding the content of the program counter to the address part of the instruction?

  1. Index addressing mode
  2. Relative addressing mode
  3. Direct addressing mode
  4. Indirect addressing mode
  5. Immediate addressing mode
Question 15 Multiple Choice (Single Answer)

In which of the following addressing modes, the instruction specifies a memory location which contains the address of the operand?

  1. Index addressing mode
  2. Relative addressing mode
  3. Direct addressing mode
  4. Indirect addressing mode
  5. None of these
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