Computer — All MCQs
4795 questions available
Q1921.What is an AI hallucination?
Correct Answer: B
Hallucination is a major LLM limitation where the model generates completely incorrect, fabricated, or unrealistic facts with high confidence.
Q1922.What should you do after receiving an important factual answer from an LLM?
Correct Answer: B
Due to the risk of hallucinations, any critical or factual claim made by an LLM must be verified against primary sources before being relied upon.
Q1923.“Summarize this paragraph in five bullet points” is an example of?
Correct Answer: B
Condensing large paragraphs or documents into key highlights is an example of text summarization.
Q1924.What does prompt engineering mean?
Correct Answer: D
Prompt engineering is the practice of structuring text inputs to ensure that a generative AI model returns the most accurate and useful output.
Q1925.What does WWW stand for?
Correct Answer: D
WWW stands for the World Wide Web, an information system created by Tim Berners-Lee in 1989.
Q1926.What does URL stand for?
Correct Answer: A
URL stands for Uniform Resource Locator, which is the specific web address used to locate a resource on the internet.
Q1927.Which of the following acts as temporary storage for content copied or cut?
Correct Answer: C
The clipboard is a temporary operating system buffer that stores copied or cut text, images, or files until they are pasted.
Q1928.Which of the following is an example of a permanent storage device?
Correct Answer: B
Hard disks (and SSDs) are non-volatile permanent storage devices, whereas RAM and DRAM are volatile temporary memories.
Q1929.Which of the following refers to electronic spam where unsolicited messages are sent by email?
Correct Answer: D
Spam mail (or junk email) refers to unsolicited, unwanted messages sent in bulk over the internet.
Q1930.Which symbol is mandatory in every valid email address?
Correct Answer: C
Every email address must contain the '@' symbol to separate the local username from the domain name.
Q1931.In MS Word and Excel, what is the shortcut key Ctrl + F2 used for?
Correct Answer: B
Ctrl + F2 is the standard keyboard shortcut used to instantly switch to the Print Preview screen.
Q1932.In MS Word, which shortcut key on the numeric keypad is used to select an entire table?
Correct Answer: A
Pressing Alt + 5 (with Num Lock turned off) on the numeric keypad selects the entire table in MS Word.
Q1933.A printer is an example of what type of device?
Correct Answer: A
Printers and plotters produce permanent physical output on paper, which is classified as a hard copy.
Q1934.Who developed the theoretical foundation of universal Turing machines which became the basis for modern computers?
Correct Answer: B
Alan Turing proposed the universal Turing machine model in 1936, forming the theoretical basis of computer science.
Q1935.What is the default file name of a newly created MS PowerPoint file?
Correct Answer: C
New presentations in PowerPoint are automatically named 'Presentation1' by default.
Q1936.What is the default file name of a newly created MS Excel file?
Correct Answer: A
New spreadsheets in Microsoft Excel are automatically named 'Book1' by default.
Q1937.What is the default file name of a newly created MS Word file?
Correct Answer: A
New documents in Microsoft Word are automatically named 'Document1' by default.
Q1938.The Turing Test is used to evaluate a machine's ability to?
Correct Answer: C
Developed by Alan Turing in 1950, the Turing Test evaluates if a machine can exhibit intelligent behavior indistinguishable from a human.
Q1939.Which of the following is an example of Narrow AI?
Correct Answer: B
Narrow (or Weak) AI is designed to perform a single specific task, such as email filtering or playing chess.
Q1940.What is a 'neuron' in an artificial neural network?
Correct Answer: C
An artificial neuron is the core mathematical block of a neural network that receives inputs, applies weights, and produces an output.