Explore topic-wise MCQs in Computer Science.

This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Identify the following with respect to networking: - It defines what data is communicated. - It defines how data is communicated. - It defines when data is communicated.

A. Web Server
B. Transmission Medium
C. Protocol
D. Message
Answer» D. Message
2.

When computers in a computer laboratory of a school are interconnected, then such a connection of computers is called ____________.

A. Internet
B. Local Area Network
C. Wide Area Network
D. Metropolitan Area Network
Answer» C. Wide Area Network
3.

A device that encodes digital computer signals into analog telephone signals and vice versa is called _________.

A. ISP
B. Web browser
C. Telephone Line
D. Modem
Answer» E.
4.

Which of the following applications is/are supported by computer networks?

A. Access to WWW
B. Sharing of resources
C. Instant messaging
D. All of these
Answer» E.
5.

What was the name of the first network?

A. EXTRANET
B. ARPANET
C. INTRANET
D. NET
Answer» C. INTRANET
6.

Which of the following statements hold(s) true regarding the given network diagram? Statement 1: It represents the data transmission between different personal devices. Statement 2: It is known as Public Area Network.

A. Only Statement 1
B. Only Statement 2
C. Both Statement 1 and Statement 2
D. Neither Statement 1 nor Statement 2
Answer» B. Only Statement 2
7.

Identify the following: - It is a system preventing unauthorised access to network. - It observes and controls the incoming and outgoing network traffic. - The network traffic is controlled on the basis of some predetermined rules.

A. Spyware
B. Malware
C. Spywall
D. Firewall
Answer» E.
8.

Which of the following statements is NOT a netiquette?

A. You should tell your parents right away if you come across any information that makes you feel uncomfortable
B. Send anyone your picture or anything else on the Internet without first consulting your parents.
C. Do not respond to any message that in anyway make you feel uncomfortable.
D. Always talk to your parents so that together you can set up rules for going online.
Answer» C. Do not respond to any message that in anyway make you feel uncomfortable.
9.

When different Pico nets are combined together in such a way that a secondary station in one Pico net can be the primary in another, then what kind of network would be formed?  

A. Scatnet
B. Dishnet
C. Scatternet
D. Segmented
Answer» D. Segmented
10.

 Which of the following statements) is/are CORRECT about the given device? (i) The name of this device is derived from modulator-demodulator. (ii) It helps you to connect to the Internet.(iii) It allows digital signals from the computer to be converted into a form which can be transmitted on telephone wires or cables.

A. Only (i)
B. Only (ii) and (iii)
C. Only (i) and (ii)
D. (i), (ii) and (iii)
Answer» E.
11.

When a network of computers within a school are connected with cables, it's called ______.

A. LAN
B. WAN
C. MAN
D. None of these
Answer» B. WAN
12.

This is the centre of a computer network.

A. Server
B. Document
C. Control unit
D. Software
Answer» B. Document
13.

Which of the following statements is CORRECT about internal modem?

A. It is found fixed into an expansion slot on motherboard.
B. It is found inside the UPS.
C. It is connected to the computer via cable.
D. All of these
Answer» B. It is found inside the UPS.
14.

Identify the type of network shown in the given image.  

A. LAN
B. WAN
C. PAN
D. MAN
Answer» E.
15.

While browsing the internet, when you get the message "Webpage cannot be displayed", what should you do?

A. Close the Browser
B. Click on the favourite button
C. Click on the Next button
D. Click on the Refresh button
Answer» E.
16.

There are number of browser available in market. Each of them has different features  and compatibility. Which one of the following browsers is more compatible for Windows 10?

A. Mozila Firefox
B. Microsoft Edge
C. Safari
D. All of these
E. None of these
Answer» C. Safari
17.

Verification of a login name and password is known as:

A. Configuration
B. Accessibility
C. Authentication
D. log in in
E. None of these
Answer» D. log in in
18.

The _____ button updates the currently displayed Web page on the Internet Explorer.

A. Favorites
B. Home
C. Refresh
D. All of these
E. None of these
Answer» D. All of these
19.

In _____ each node has a dedicated point-to-point link to every other device.

A. Star
B. Mesh
C. Ring
D. All of these
E. None of these
Answer» C. Ring
20.

Internet browser provides a platform to use the Internet. Which one of the following browsers is called open source browser?

A. Internet Explorer 6
B. Internet Explorer 7
C. Mozila Firefox
D. All of these
E. None of these
Answer» D. All of these