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Computer Awareness MCQs | Computer Multiple Choice Questions with Answers

Questions
1 State the correct external command?
A Chkdsk.exe
B Attrib.exe
C Restore.exe
D Backup.exe

Answer: Chkdsk.exe
2 Which of the following shortcut key is used to move backward through the tabs?
A SHIFT+TAB
B CTRL+SHIFT+TAB
C CTRL+TAB
D CTRL+ALT+TAB

Answer: CTRL+SHIFT+TAB
3 Which of the following is the impact printer?
A Laser printer
B Ink jet printers
C Chain Printers
D All of the above

Answer: Chain Printers
4 The use of parity bit is for
A Error detection
B Indexing
C Coding
D All of the above

Answer: Error detection
5 The primary purpose of software is to turn data into ____
A Websites
B Information
C Programs
D Objects

Answer: Information
6 Back up of the data files will help to prevent ____.
A Loss of confidentiality
B Duplication of data
C Virus infection
D Loss of data

Answer: Loss of data
7 An input device that converts data punched into paper lape into a binary format is
A Page reader
B Paper tape punch
C Paper tape reader
D Card punch

Answer: Paper tape reader
8 A computer will function only if it
A Has a control unit
B Is given input data
C Has a program in its memory
D Has software package

Answer: Has a program in its memory
9 A memory in which the information is stored last is on top & is retrieved first is known as
A PROM
B Buffer
C Stack
D RAM

Answer: Stack
10 Regarding a VDU, which statement is more correct?
A It is an output device
B It is an input device
C It is a peripheral device
D It is a hardware item

Answer: It is a peripheral device
11 The minimum time delay required between the initiation of two successive memory operations is known as
A Memory cycle time
B Memory access time
C Transmission time
D Waiting time

Answer: Memory cycle time
12 The flow and timing to data to and from the microprocessor is regulated by
A Control pins
B Address pins
C Data pins
D Power pins

Answer: Control pins
13 The total number of messages handled by a computerized telephone system on a daily basis is an example of
A Frequency
B Updating
C Volume
D All of the above

Answer: Volume
14 An internal storage consisting of arrays of small rings of magnetic material called ferrite is
A Magnetic tape
B Magnetic core
C Magnetic disk
D Optical mark reader

Answer: Magnetic core
15 Which of the following processor is software that accepts user ideas, manipulates and reorganises them in user-specified ways and then produces a refined model of those thoughts.
A Distribute
B Out-line
C Multi
D None of the above

Answer: Out-line
16 CRSYX- MP belongs to ____ generation
A First
B Second
C Third
D Fourth

Answer: Fourth
17 A special, high-speed storage area within the CPU in which all data must be represented before it can be processed is called?
A BIOS
B Cache
C RAM
D Register

Answer: Register
18 The method of Internet access that requires a phone line, but offers faster access speeds than dial-up is the _______ connection
A Fibre-optic service
B Satellite access
C Cable access
D Digital subscriber line (DSL)

Answer: Digital subscriber line (DSL)
19 The ATTRIB command will
A Set or remove the Read-Only, Archive, System and Hidden attributes
B Define the data files search path that DOS will use each time it fails to locate in the current directory
C Instruct DOS to route disk drive references from one disk to another
D All of the above

Answer: Set or remove the Read-Only, Archive, System and Hidden attributes
20 In a punched card system, data is processed by a
A Keypunch machine, sorter and posting machine
B Accounting machine, posting machine, and billing machine
C Sorter, posting machine, and billing machine
D Accounting machine, keypunch machine and sorter

Answer: Portions of the operating system are copied from disk into memory

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