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Which of the following registers is used to indicate whether the data register holds the data to be transferred or not? A. Status register B. MAR C. MBR D. MDR 14. Which of the following two registers are used by the CPU to transfer the data between processor and memory? A. MDR and IR B. […]

What is the purpose of memory address register? A. Stores the address of the next location in the main memory B. Stores the address of the next location in the secondary memory C. Stores the address of the next location in the cache memory D. Stores the address of an output device to which the

Explain how data is transferred from processor to an output device within a computer system. What is the difference between instruction cycle and execution cycle? What is the importance of decoding phase of machine cycle? Which component of CPU plays an important role in decoding phase?

What is the fi xed length of the instruction format used in RISC processors? A. 30-bits B. 16-bits C. 32-bits D. 24-bits What do you understand by computer architecture? Is it same as computer organisation? If no, explain the difference between the two. What characteristics should a user evaluate before employing a memory device?

Which of the following is not a type of bus used in the computer system? A. Data bus B. Address bus C. Information bus D. Control bus Which of the following is a characteristic of the CISC processor? A. Number of instructions varying between 100 and 250 B. Large number of addressing modes C. Variable

Which of the following sequence of operations represents the machine cycle? A. Fetch-Execute-Decode-Store B. Store-Execute-Fetch-Decode C. Fetch-Decode-Execute-Store D. Store-Fetch-Decode-Execute The decoding phase of the instruction cycle is also known as: A. Translating B. Interpreting C. Analysing D. Breaking

What is the difference between memory read and memory write operations? List the different steps involved in memory read and memory write operations. Explain the concept of processor to I/O devices communication. What is the role of interface unit in implementing such type of communication in a computer system?

Explain the concept of cache memory with diagram. What are the different types of cache memory found in a computer system? List the different types of CPU registers. What do you understand by internal communications? List the major categories of internal communications. Explain the importance of MAR and MDR in accomplishing processor to memory communication.

Draw the block diagram of a computer system and explain its main components. 3. How does the control unit assist the CPU in carrying out its operations? 4. What do you understand by CPU cycle? What are the main operations accomplished using the CPU cycle? List the different types of CPU registers.

Explain how data is transferred from processor to an output device within a computer system. What is the difference between instruction cycle and execution cycle? What is the importance of decoding phase of machine cycle? Which component of CPU plays an important role in decoding phase?