Computer — All MCQs
4795 questions available
Q21.Who is known as the first computer programmer?
Correct Answer: B
Ada Lovelace is recognized as the first computer programmer.
Q22.Which networking device allows multiple computers to be connected?
Correct Answer: B
A switch connects multiple devices on a computer network.
Q23.Video streaming is most common on which platform?
Correct Answer: B
YouTube is the most popular platform for video streaming.
Q24.Example of Non-Volatile memory?
Correct Answer: D
SSD is non-volatile memory that retains data without power.
Q25.Which memory type is nonvolatile and often used for firmware?
Correct Answer: B
Flash memory is non-volatile and commonly used to store firmware.
Q26.A solid memory with no moving parts is called?
Correct Answer: D
SSD has no moving parts unlike HDDs.
Q27.Who was the inventor of WWW?
Correct Answer: A
Tim Berners-Lee invented the World Wide Web in 1989.
Q28.HTTPS stands for?
Correct Answer: A
HTTPS = Hypertext Transfer Protocol Secure.
Q29.Fake Traffic on any website is called?
Correct Answer: C
Bot traffic refers to non-human traffic generated by automated scripts.
Q30.'Cookies' In computer systems are?
Correct Answer: B
Cookies are small text files stored by web browsers.
Q31.Bluetooth technology is related to?
Correct Answer: C
Bluetooth operates in the Personal Area Network (PAN) range.
Q32.What does B2C stand for in ECommerce network?
Correct Answer: B
B2C = Business to Consumer.
Q33.How do you remove a table in MS Word?
Correct Answer: B
In MS Word, remove a table via Layout > Delete > Table.
Q34.A binary tree node can have how many Children?
Correct Answer: B
In a binary tree, each node can have at most two children.
Q35.Which method/key is used for removing a table In SQL language?
Correct Answer: A
The DROP command deletes a table completely in SQL.
Q36.What is Phishing?
Correct Answer: A
Phishing is a cybercrime involving fraudulent emails or messages to steal sensitive data.
Q37.In formal database system rows are called :
Correct Answer: A
In database terminology, rows are called records and columns are called fields.
Q38.Tim Berners Lee discovered the:
Correct Answer: C
Tim Berners-Lee invented the World Wide Web (WWW) in 1989.
Q39.Which one are not the characteristics of Cloud Computing?
Correct Answer: B
Cloud computing requires broad network access, not local-only access.
Q40.Which AI application is used for recognizing human Speech:
Correct Answer: C
Speech Recognition is the AI technology that converts spoken language into text.