Computer Science Questions and Answers for Bank Exams
Important Computer Science Questions and answers:
Q.11 If a microcomputer operates at 5 MHz with an 8 bit bus and a newer version operates at 20 MHz with a 32 bit bus, the maximum speed up possible approximately will be……
(A) 2
(B) 4
(C) 6
(D) 16
Ans . D
To know more about SSC Exam Pattern ssc-cgl-exam-2017-2018
Q.12 Index register in a microprocessor is used for….
(A) indirect addressing
(B) pointing to the stack address
(C) address modification
(D) keeping track of the number of time a loop is executed
Ans . C
Q.13 The sequence of events that happen during a typical operation.
(A) PC MAR memory MDR IR
(B) PC Memory MDR IR
(C) PC Memory IR
(D) PC MAR Memory IR
Ans . A
Q.14 A byte addressable computer has memory capacity of 2m bytes add confirm 2n operations. An instruction involving 3 operands and operator needs a maximum of….
(A) 3m hits
(B) 3m + n hits
(C) m + n hits
(D) none of these
Ans . D
Q.15 In the previous problem if the computer is word addressable with the word size being 8 bytes, then the answer will be……
(A) 3m hits
(B) 3m + n hits
(C) m + n hits
(D) none of these
Ans . D
Q.16 The addressing mode used in an instruction of the form ADD X, Y is….
(A) absolute
(B) immediate
(C) indirect
(D) index
Ans . A
Q.17 Which of the following units cannot be used to measure the speed of computer?
(A) MIPS
(B) MFLOPS
(C) FLOPS
(D) BAUD
Ans . D
Q.18 A set of related program is called.
(A) script
(B) arrays
(C) stacks
(D) package
Ans . D
Q.19 Program status word (PSW) contains various (different) status of….
(A) CPU
(B) ALU
(C) program
(D) registers
Ans . A
Q.20 Microprogramming is designing of….
(A) ALU
(B) CPU
(C) ROM
(D) Control Units
Ans . D
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Rajesh Bhatia
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