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
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
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
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
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
Q.16 The addressing mode used in an instruction of the form ADD X, Y is….
(A) absolute
(B) immediate
(C) indirect
(D) index
Q.17 Which of the following units cannot be used to measure the speed of computer?
(A) MIPS
(B) MFLOPS
(C) FLOPS
(D) BAUD
Q.18 A set of related program is called.
(A) script
(B) arrays
(C) stacks
(D) package
Q.19 Program status word (PSW) contains various (different) status of….
(A) CPU
(B) ALU
(C) program
(D) registers
Q.20 Microprogramming is designing of….
(A) ALU
(B) CPU
(C) ROM
(D) Control Units
If you face any problem Computer Science Questions, you can ask me in the comment section. Click next page for more practice of Computer Science Questions.
Get the Examsbook Prep App Today