All Free Computer Science and IT MCQs with Answers

1101. The first web browser is?

• A. internet explore
• B. chrome
• C. yahoo
• D. world wide web

Explanation: WorldWideWeb, created by Tim Berners-Lee, was the first web browser and was also the name of the first browser/editor. Internet Explorer and Chrome appeared much later, while Yahoo is a web portal and search service.

1102. A program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web.

• A. Search engine
• B. Web browser
• C. Comment
• D. None of These

Explanation: A web browser is software that renders HTML pages and provides tools for visiting websites. A search engine helps locate pages but is not the program that displays them.

1103. The length of MAC address is ___________?

• A. 32 bits
• B. 48 bits
• C. 64 bits
• D. 128 bits

Explanation: A standard MAC address is 48 bits long, usually written as six groups of two hexadecimal digits. The 32-bit and 128-bit lengths are associated with IPv4 and IPv6 addresses, respectively.

1104. An online journal where people post about their experiences called __________?

• A. Blog
• B. Internet
• C. Webpage
• D. None of these

Explanation: A blog is an online journal or regularly updated website where people publish posts, often about experiences, opinions, or information. A webpage is a broader term and need not function as a journal.

1105. Which method is used to connect a remote Computer?

• A. Device
• B. Dialup
• C. Logic Circuit
• D. None of these

Explanation: Dial-up uses a telephone line and modem to establish a connection with a remote computer or network. The other options are not remote-access connection methods.

1106. A single packet on a data link is known as _________?

• A. Path
• B. Frame
• C. Block
• D. Group

Explanation: At the data-link layer, a packet is encapsulated into a frame, which includes addressing and error-detection information. A block or group is not the standard data-link-layer unit.

1107. __________maintain (s) database of webpages containing information on variety of topics.

• A. Newsgroup
• B. News server
• C. Search Engines
• D. World wide web

Explanation: Search engines build and maintain indexes or databases of webpages, then retrieve relevant pages when users submit queries. The World Wide Web contains webpages but does not itself perform this indexing function.

1108. Whose face was first uploaded on Facebook?

• A. Al Pacino
• B. Zuckerberg
• C. Adam smith
• D. Shahid Chudhary

Explanation: The early Facebook site displayed a stylised face of Al Pacino in its header, making him the answer associated with the first face shown on Facebook. This refers to the original site imagery, not a user's ordinary profile upload.

1109. The new name of Facebook is __________?

• A. Meta
• B. Beta
• C. Delta
• D. Face point

Explanation: Facebook's parent company changed its corporate name to Meta in October 2021. The Facebook social-media platform retained the Facebook name.

1110. The first Network is called _________?

• A. CNNET
• B. NSFNET
• C. ASAPNET
• D. ARPANET

Explanation: ARPANET, established by the U.S. Advanced Research Projects Agency, is widely regarded as the first operational packet-switching network and a predecessor of the Internet. NSFNET came later and helped expand Internet connectivity.