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GATE 2024 Computer Organization & Architecture Rank Booster Quiz 2

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Question 1

Adding a new instruction to the instruction set of a processor is easy, when CPU is designed with

Question 2

A computer instruction set contains 100 instructions. Each instruction takes 4 cycles to complete the execution. Computer uses vertical microprogrammed control unit design. The size of control address register (in bits) is ________.

Question 3

Highly encoded schemes that use compact codes to specify a large number of functions in each micro-instruction is

Question 4

Let the clock cycles required for various operations be as follows:

Consider the following code running on a 16 bit hypothetical CPU.

The total number of clock cycles required to execute the program is ________.

Question 5

A micro programmed control unit supporting 450 instructions. Each instruction takes 20 micro operations. If 18 flags and 85 control signal are supported then the size of control words of vertical micro programmed control unit is ________ bits.

Question 6

Consider the following program segment. Here R1, R2 and R3 are the general purpose registers.

Assume that the content of memory location 3000 is 10 and the content of the register R3 is 2000. The content of each of the memory locations from 2000 to 2010 is 100. The program is loaded from the memory location 1000. All the numbers are in decimal. Assume that the memory is word addressable. The number of memory references required to execute the program completely is

Question 7Multiple Correct Options

Consider vertically microprogrammed control unit which supports 400 control signals. The microinstruction is designed with ‘8’ control signals. What is the size of the control field (in bits)? [in integer]

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GATE & PSU CS Computer Organization and Architecture

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