Computer knowledge is one of the important parts of the competitive exam. Do practice the below questions and improve your skills it will help to get more scores in the exam.
1) What characteristic of read-only memory (ROM ) makes it useful?
A) ROM information can be easily updated
B) Data in ROM is non-volatile, that is, it remains there even without electrical power
C) ROM provides very large amounts of inexpensive data storage
D) ROM chips are easily swapped between different brands of computers
Ans: B
2) The smallest unit in a digital system is a
A) Bit
B) Byte
C) Character
D) Kilobyte
Ans: A
3) Several computers linked to a server to share programs and storage space____
A) Network
B) Grouping
C) Library
D) Integrated system
Ans: A
4) A -------- is approximately one billion bytes
A) Megabyte
B) Gigabyte
C) Terabyte
D) None of these
Answer: B
5) Which file starts MS Word?
A) word.exe
B) msword.exe
C) word2003.exe
D) winword.exe
Ans: D
6) The term ___ designates equipment that might be added to a computer system to enhance its functionality
A) digital device
B) system add-on
C) disk pack
D) peripheral device
Ans: D
7) C, BASIC, COBOL, and Java are examples of ............language
A) low-level
B) programming
C) computer
D) high-level
Ans: D
8) Vendor-created program modifications are called ____
A) patches
B) antiviruses
C) holes
D) fixes
Ans A
9) Microcomputer hardware consists of three basic categories of physical equipment __
A) Keyboard, monitor, hard drive
B) system unit, input/output, memory
C) system unit, input/output, secondary storage
D) system unit, primary storage, secondary storage
Ans C
10) Storage that stores or retains data after power off is called__
A) Volatile storage
B) Non-volatile storage
C) Sequential storage
D) Direct storage
Ans: B
11) CD-ROM is a semiconductor memory.
A) TRUE B) FALSE
Answer B
12) A computer consists of
A) motherboard
B) hard disk drive
C) central processing unit
D) All of the above
Ans: D
13) Which of the following is an example of an optical disk?
A) Digital versatile disks
B) Magnetic disks
C) Memory disks
D) Data bus disks
Ans: A
14) To make the number pad act as a directional arrow, we press
A) Num lock
B) Caps lock
C) Arrow lock
D) Shift
Ans D
15) The operating system called UNIX is typically used for___
A) Desktop computers
B) Laptop computers
C) Supercomputers
D) All of these
Ans: D
16) Which of the following software applications would be the most appropriate for performing numerical and statistical calculations?
A) Database
B) Document Processor
C) Graphic Package
D) Spread Sheet
Ans D
17) Windows 95, Windows 98, and Windows NT are known as what?
A) Processor
B) domain names
C) modems
D) operating systems
Ans: D
18) What is a default file extension for all Word documents?
A) TXT
B) WRD
C) FIL
D) DOC
Ans: D
19) What are the four things needed to connect to the internet?
A) telephone line, modem, computer, and an ISP
B) modem, computer, PDA, and ISP
C) telephone line, modem, computer, and PDA
D) computer, ISP, modem, and communication software
Ans: D
20) An email account includes a storage area, often called ____
A) mailbox
B) hyperlink
C) IP address
D) None of these
Ans A
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