GATE | GATE MOCK 2017 | Question 18

Which of the following statement is false ?

(A) Indirect addressing can be used to pass array as a parameter.

(B) Complex Instruction Set Computing(CISC) contains larger number of instructions and addressing modes as compared to Reduced Instruction Set Computing(RISC).

(C) Hardwired control unit is slower than micro-programmed control unit.
(D) Daisy chain mechanism can be used as a priority based interrupt system.


Answer: (C)

Explanation:

-> In indirect addressing we pass the address to the address of data, so we can pass the array as a parameter which will contain the starting address of the array.
-> CISC has larger number of instructions and addressing modes as in it we use a combination of three computer organizations ,single accumulator organization ,general register organization and stack organization,while in RISC we use one of them.

->Hardwired control unit is faster than micro progammed,hence this option is false,in hardwired instructions are fixed but they are comparatively faster.
->Daisy chain mechanism is a polling system which assigns priority to the devices.



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