All Free Computer Science and IT MCQs with Answers

1141. Combination of two or more topologies are called _______ ?

• A. Hybrid
• B. Star
• C. Bus
• D. Ring

Explanation: A hybrid topology combines two or more different network topologies, such as star-bus or star-ring. Star, bus and ring are individual topology types.

1142. The Hypertexts are documents linked to one another through the concept of _________ ?

• A. Pointers
• B. Variables
• C. Stacks
• D. Arrays

Explanation: Hypertext documents are connected through hyperlinks, which function like pointers to other documents or locations. Variables, stacks and arrays are programming concepts, not linking mechanisms.

1143. Which Network topology needs HUB for its working?

• A. Bus
• B. Ring
• C. Star
• D. Star and Bus both

Explanation: A star topology connects each node to a central hub or switch, so the hub is essential to its traditional operation. Bus and ring topologies use different connection arrangements.

1144. _________are attempts by individuals to obtain confidential information from you by falsifying their identity?

• A. Computer viruses
• B. Phishing trips
• C. Phishing scams
• D. Spyware scams

Explanation: Phishing scams impersonate trustworthy people or organizations to trick users into revealing passwords, financial details or other confidential information. Viruses and spyware are malicious software, not primarily identity-falsification attempts.

1145. In the email dialogue box Bcc is used for writing the__________?

• A. Subject
• B. Email Address
• C. Phone Numbers
• D. Names

Explanation: Bcc stands for Blind Carbon Copy and contains the email addresses of recipients whose addresses are hidden from other recipients. Subject is entered separately in the subject field.

1146. Which of the following can be used to divide a web page into Areas?

• A. frames
• B. theme
• C. table of contents
• D. none of the above

Explanation: Frames divide a browser page or window into separate areas that can display different documents or sections. A theme changes appearance, and a table of contents only lists links or headings.

1147. HTTPS stands for___________?

• A. Hypertext Transfer Protocol Section
• B. Hypertext Transfer Protocol Secure
• C. Hypertext Transfer Protocol start
• D. None of these

Explanation: HTTPS means Hypertext Transfer Protocol Secure, the encrypted form of HTTP commonly used for secure web communication.

1148. A wireless technology built in electronic gadgets used for exchanging data over short distances is?

• A. Bluetooth
• B. Wifi
• C. Modem
• D. USB

Explanation: Bluetooth is a short-range wireless technology designed for exchanging data between nearby devices. Wi-Fi is primarily used for wireless network access over a local area.

1149. DSL stands for ________?

• A. Disc Super Line
• B. Digital Subscriber Line
• C. Digital Super Line
• D. Disc Subscriber Line

Explanation: DSL means Digital Subscriber Line, a technology that provides internet access over telephone lines. The alternatives incorrectly replace Digital or Subscriber.

1150. ACL stands for ___________?

• A. Access Control List
• B. Access Central List
• C. Access Check List
• D. Adoptic Control List

Explanation: ACL means Access Control List, a list of rules or permissions that determines who can access a resource. The other expansions are not standard computing terms.