COMPUTER ORGANIZATION AND DESIGN UNIT 2 MCQs

1. Which of the following is an example of an arithmetic component?

a) Adder b) Multiplexer c) Decoder d) Flip-Flop

2. What is the primary purpose of VHDL?

a) To describe digital systems b) To simulate analog circuits c) To design mechanical systems d) To program microcontrollers

3. Which of the following is a directory protocol used in large multiprocessors?

a) MSI (Modified, Shared, Invalid) b) MESI (Modified, Exclusive, Shared, Invalid) c) MOSI (Modified, Owned, Shared, Invalid) d) MOESI (Modified, Owned, Exclusive, Shared, Invalid)

4. What is the main function of an arithmetic logic unit (ALU)?

a) To perform arithmetic and logical operations b) To store data temporarily c) To manage memory access d) To control input/output operations

5. Which of the following is a key feature of VHDL?

a) Concurrent execution b) Sequential execution c) Object-oriented programming d) Dynamic typing

6. What is the purpose of directory protocols in large multiprocessors?

a) To manage cache coherence b) To optimize memory access c) To synchronize processors d) All of the above

7. Which of the following is an example of a combinational arithmetic component?

a) Adder b) Multiplier c) Subtractor d) All of the above

8. What is the primary advantage of using VHDL in digital design?

a) It allows for hardware simulation and synthesis b) It is easier to learn than Verilog c) It supports analog circuit design d) It is platform-independent

9. Which of the following is a challenge in large multiprocessor systems?

a) Cache coherence b) Memory latency c) Inter-processor communication d) All of the above

10. What is the role of a directory in directory-based cache coherence protocols?

a) To track the state of cached data b) To manage memory allocation c) To synchronize processors d) To optimize power consumption

Digital Logic and Multiprocessors MCQs

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