All Free Computer Science and IT MCQs with Answers

1151. DHCP stands for _________?

• A. Dynamic Host Control Protocol
• B. Dynamic Host Configuration Protocol
• C. Digital Host Configuration Protocol
• D. Digital Host Control Protocol

Explanation: DHCP means Dynamic Host Configuration Protocol. It automatically supplies devices with settings such as IP addresses, subnet masks and gateways.

1152. WWWW stands for _________?

• A. World Wide Web Wireless
• B. World Wide Web Worm
• C. World Wide Wonderful Wine
• D. World Wide Web Wrestling

Explanation: WWWW refers to World Wide Web Worm, an early web search engine and indexing system. It is different from WWW, which stands for World Wide Web.

1153. BCC stands for __________?

• A. Binary Common Copy
• B. Basic Carbon Copy
• C. Blind Carbon Copy
• D. Business Common Copy

Explanation: BCC means Blind Carbon Copy; recipients placed in this field receive the email without their addresses being visible to other recipients. The word Blind distinguishes it from ordinary CC.

1154. CC stands for __________?

• A. Cut Copy
• B. Common Copy
• C. Combined Copy
• D. Carbon Copy

Explanation: CC means Carbon Copy, an email field used to send a visible copy to additional recipients. The other expansions are not standard email terminology.

1155. ARP stands for ________?

• A. Address resolution protocol
• B. Allied resolution protocol
• C. Address resolution process
• D. Address rectification protocol

Explanation: ARP means Address Resolution Protocol, which maps an IPv4 address to the corresponding hardware or MAC address on a local network. It resolves addresses rather than rectifying them.

1156. A network which is used for sharing data, software and hardware among several users owning microcomputers is called __________?

• A. WAN
• B. MAN
• C. LAN
• D. VAN

Explanation: A LAN connects computers in a limited area such as an office, school, or building and allows users to share data, software, and hardware. WAN and MAN cover larger geographic areas.

1157. PSTN stands for ________?

• A. Process Switched Telephone Network
• B. Public Switched True Network
• C. Public Serial Telephone Network
• D. Public Switched Telephone Network

Explanation: PSTN stands for Public Switched Telephone Network, the traditional circuit-switched telephone system. “Switched” refers to calls being connected through telephone exchanges.

1158. YAHOO stands for ________?

• A. Yet Another Hierarchical Officio Oracular
• B. Yahoo Another Hierarchical Officious Oracle
• C. Yet Another Hierarchical Officious Oracular
• D. Yet Another Hierarchical Officious Oracle

Explanation: Yahoo was originally explained as “Yet Another Hierarchical Officious Oracle,” a recursive-style name referring to its organized directory and information service. The other options change the established words or their forms.

1159. MODEM stands for ________?

• A. Modulation And Demodulation
• B. Modulator And Demodulator
• C. Modulator And Electronic Demodulator
• D. Modulator Or Digital Electronic Demodulator

Explanation: A modem combines a modulator, which converts digital data into transmittable signals, and a demodulator, which converts received signals back. Thus, Modulator and Demodulator is the intended expansion.

1160. HTML stands for ________?

• A. Hyper Text Magic Line
• B. Hyper Text Markup Line
• C. Hyper Text Markup Language
• D. High Text Markup Language

Explanation: HTML means HyperText Markup Language, the markup language used to structure content on web pages. “Markup” describes the tags that identify headings, links, paragraphs, and other elements.