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Stack control mechanism

A. Is IAS computer faster than Mark I computer? Is Mark I computer easy to program than IAS computer? B. The stack based CPUs don’t have registers for storing the operands. Can we conclude that the stack based CPU has less hardware circuits and hence cheaper than registers-based CPU? (Hint: stack control mechanism). C. Which […]

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Binary conversion

Consider a computer that follows 2’s complement arithmetic. The user presents thedata in the decimal form. The data is converted into 2’s complement by whom? (a) Operating system (b) Compiler (c) User program (application) (d) System utility Is it necessary to have an instruction (in the instruction set) for the decimal to binary conversion?

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Floating-point arithmetic

A.A computer has floating-point arithmetic instructions. But the CPU hardware (datapath) does not have the floating-point ALU. How should the system handle floating-point arithmetic? B. In some computers, the floating-point ALU is self-contained and has no dependence on integer ALU. What are the advantages and disadvantages of such computers?

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Microoperation

A. Calculate the time taken for instruction fetch in a CPU which has the following propagation delays: (a) Any register transfer operation: 10 ns (b) main memory access time: 80 ns Assuming zero delay from the completion of one microoperation to the beginning of the next, show the break-up of your calculations. B. Which of

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