Computer System
To know more about Sentence Completion sentence-completion-objective-type-question-for-competitive-exam-part-c
Q.1 The heart of any computer is the….
(A) CPU
(B) Memory
(C) I/O Unit
(D) Disks
Q.2 A Computer consists of……
(A) a central processing unit
(B) a memory
(C) input and output units
(D) all of these
Q.3 Which of the following is not used as secondary storage?
(A) semiconductor memory
(B) magnetic disks
(C) magnetic drums
(D) magnetic tapes
Q.4 Which of the following memory is capable of operating at electronics speed?
(A) semiconductor memory
(B) magnetic disks
(C) magnetic drums
(D) magnetic tapes
Q.5 Which of the following is responsible for co-ordination various operations using timing signals?
(A) arithmetic logic unit
(B) control unit
(C) memory unit
(D) input/output unit
Q.6 Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called.
(A) sequential access memory
(B) random access memory
(C) secondary memory
(D) mass storage
Q.7 Which of the following is the fastest?
(A) CPU
(B) magnetic tapes and disks
(C) video terminal
(D) sensors, mechanical controllers
Q.8 The register which contains the instruction that is to executed is called.
(A) index register
(B) instruction registers
(C) memory address register
(D) memory data register
Q.9 The register which keeps track of the execution of a program and which contains memory address of the instruction currently being executed is called.
(A) index register
(B) memory address register
(C) program counter
(D) instruction registers
Q.10 Register which holds the address of the location to or from which data are to be transferred is called.
(A) index register
(B) instruction registers
(C) memory address resister
(D) memory data register
Computer System
Q.11 If some device requires urgent service normal execution of programs may sometimes be preempted using.
(A) an interrupt signals
(B) a request to memory modules
(C) DMA
(D) all of these
To know more about Sentence Completion sentence-completion-objective-type-question-for-competitive-exam-part-b
Q.12 A collection of wires that connects several devices is called.
(A) link
(B) bus
(C) bidirectional wires
(D) cables
Q.13 The input unit of a computer.
(A) feeds data to the CPU or memory
(B) retrieves data from CPU
(C) directs all other units
(D) all of these
Q.14 The register or main memory location which contains effective address of the operand is called.
(A) pointer
(B) indexed register
(C) special location
(D) scratch pad
Q.15 Offline device is a/an.
(A) device which is not connected to CPU
(B) device which is connected to CPU
(C) direct access storage device
(D) I/O device
Q.16 A device or peripheral equipment which is not in direct communication with CPU of a computer.
(A) on line device
(B) off line device
(C) channel
(D) intelligent terminal
Q.17 A storage device used to compensate the differences is flow of data is called.
(A) main storage
(B) auxiliary storage
(C) buffer
(D) core memory
Q.18 Micro programming is designing of…
(A) ALU
(B) CPU
(C) ROM
(D) Control unit
Q.19 Which of the following is a set of general purpose internal registers?
(A) Stack
(B) Scratch pad
(C) Address register
(D) Status register
Q.20 How many units in a single bus structure communicate at a time.
(A) one
(B) two
(C) three
(D) four
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