Preparing for Odisha government competitive exams requires a thorough understanding of various subjects, including computer awareness. Here’s a curated list of the top 30 multiple-choice questions (MCQs) designed to help you excel in the computer awareness section of these exams. Each question is followed by the correct answer and a brief explanation to aid your understanding.
Top 30 Computer Awareness MCQs For All Odisha Govt. Competitive Exam
- Which of the following is the equipment which holds the screen of a computer?
a) Video
b) Desktop
c) Modem
d) Monitor
Answer: d) Monitor
Explanation:
The equipment which holds the screen of a computer is the monitor. - In a computer, most of the processing takes place in:
a) Memory
b) RAM
c) CPU
d) Motherboard
Answer: c) CPU
Explanation:
The processing in a computer takes place in the CPU (Central Processing Unit). - The physical components of a computer system are known as:
a) Software
b) Hardware
c) ALU
d) Control Unit
Answer: b) Hardware
Explanation:
Hardware refers to the physical components of a computer system, including the central processing unit (CPU), memory devices, input/output devices, storage devices, and other physical components. - Which of the following can input graphical images and pictures for a computer?
a) Plotter
b) Scanner
c) Mouse
d) Printer
Answer: b) Scanner
Explanation:
A scanner can input graphical images and pictures for a computer. - For seeing the output, you use:
a) Monitor
b) Keyboard
c) Mouse
d) Scanner
Answer: a) Monitor
Explanation:
For seeing the output, you use a monitor. It is an output device that displays text, graphics, and video on a screen. - What is output?
a) What the processor takes from the user
b) What the user gives to the processor
c) What the processor gets from the user
d) What the processor gives to the user
Answer: d) What the processor gives to the user
Explanation:
Output refers to the information that a computer or electronic device provides to the user, such as text, graphics, or sound. - Most of the commonly available personal computers/laptops have a keyboard popularly known as:
a) QWERTY
b) QOLTY
c) ALTER
d) UCLIF
Answer: a) QWERTY
Explanation:
QWERTY is the keyboard layout that is commonly used in personal computers/laptops, named after the first six letters on the top row of the keyboard. - Decreasing the amount of space required to store data and programs is accomplished by:
a) Pressing
b) Disk caching
c) RAID
d) File compression
Answer: d) File compression
Explanation:
File compression is the technique used to decrease the amount of space required to store data and programs. - Codes consisting of bars or lines of varying widths or lengths that are computer-readable are known as:
a) An ASCII code
b) A magnetic tape
c) An OCR scanner
d) A bar code
Answer: d) A bar code
Explanation:
Bar codes consist of bars or lines of varying widths or lengths that are computer-readable. - What is the function of the Central Processing Unit of a computer?
a) Creates invoices
b) Performs calculations and processing
c) Deletes data
d) Corrupts the data
Answer: b) Performs calculations and processing
Explanation:
The function of the Central Processing Unit (CPU) of a computer is to perform calculations and processing. - Which of these is not a means of personal communication on the Internet?
a) chat
b) instant messaging
c) instanotes
d) electronic mail
Answer: c) instanotes
Explanation: “Instanotes” is not a means of personal communication on the Internet. The correct option is (c). - When a real-time telephone call between people is made over the Internet using computers, it is called __________?
a) a chat session
b) an e-mail
c) an instant message
d) Internet telephony
Answer: d) Internet telephony
Explanation: The correct answer is (d) Internet telephony. - In HTML, tags consist of keywords enclosed within?
a) flower brackets { }
b) angular brackets < >
c) parentheses ( )
d) square brackets [ ]
Answer: b) angular brackets < >
Explanation: In HTML, tags consist of keywords enclosed within angular brackets < >. - A website address is a unique name that identifies a specific __________ on the Web?
a) Web browser
b) PDA
c) Website
d) link
Answer: c) Website
Explanation: A website address is a unique name that identifies a specific website on the Web. - Which of the following is used by the browser to connect to the location of the Internet resources?
a) Linkers
b) Protocol
c) Cable
d) URL
Answer: d) URL
Explanation: URL is used by the browser to connect to the location of the Internet resources. - To reload a Web page, press the ________ button?
a) Redo
b) Reload
c) Restore
d) Refresh
Answer: d) Refresh
Explanation: To reload a Web page, press the Refresh button. - Connection or link to other documents or Web Pages that contain related information is called?
a) dial-up
b) electronic commerce
c) hyperlink
d) e-cash
Answer: c) hyperlink
Explanation: The correct answer is (c) hyperlink. A hyperlink is a connection or link to other documents or web pages that contain related information. - An educational institution would generally have the following in its domain name?
a) .org
b) .edu
c) .inst
d) .com
Answer: b) .edu
Explanation: The correct answer is (b) .edu. The .edu top-level domain (TLD) is reserved for accredited postsecondary educational institutions in the United States. - A(n) ________ allows you to access your e-mail from anywhere?
a) Forum
b) Webmail interface
c) Message Board
d) Weblog
Answer: b) Webmail interface
Explanation: The correct answer is (b) Webmail interface. - A __________ shares hardware, software, and data among authorized users?
a) network
b) protocol
c) hyperlink
d) transmitter
Answer: a) network
Explanation: A network shares hardware, software, and data among authorized users. - Why are synchronous modems more costly than asynchronous modems?
a) They produce large volumes of data
b) They contain clock recovery circuits
c) They transmit data with stop and start bits
d) They operate with a larger bandwidth
Answer: b) They contain clock recovery circuits - Telnet is a ______ based computer protocol.
a) Sound
b) Text
c) Image
d) Animation
Answer: b) Text - Computers that control processes accept data in a continuous _________.
a) Data traffic pattern
b) Data highway
c) Infinite loop
d) Feedback loop
Answer: d) Feedback loop - What can computers connected to a LAN do?
a) Run faster
b) Go online
c) Share information and/or share peripheral equipment
d) E-mail
Answer: c) Share information and/or share peripheral equipment - Computer and communication technology that provides help and understanding to the end user is known as ________.
a) Presentation file
b) Information technology
c) Program
d) Worksheet file
Answer: b) Information technology - A device that connects to a network without the use of cables is said to be ________.
a) Distributed
b) Centralized
c) Open source
d) Wireless
Answer: d) Wireless - What does “Codec” refer to?
a) Coder-decoder
b) Co-declaration
c) Command declaration
d) Command decoding
Answer: a) Coder-decoder - What is the most important/powerful computer in a typical network?
a) Desktop
b) Network client
c) Network server
d) Network station
Answer: c) Network server - If you want to connect to your own computer through the Internet from another location, what can you use?
a) E-mail
b) FTP
c) Instant message
d) Telnet
Answer: d) Telnet - What is a device that connects to a network without the use of cables called?
a) Distributed
b) Free
c) Centralized
d) None of these
Answer: d) None of these
