A hard disk drive (HDD) is classified as a:
- (A) RAM
- (B) Secondary storage device
- (C) Primary storage device
- (D) Output device
Computer Science MCQS
Computer Science MCQ with detailed explanations for students & freshers preparing for entrance exams, various tests, interviews, competitive exams like GATE exam, interview, competitive examination and entrance exam.
The microprocessor, also known as the:
- (A) Random Access Memory (RAM)
- (B) Central Processing Unit (CPU)
- (C) Motherboard
- (D) Hard Disk Drive (HDD)
The main circuit board inside the system unit that contains the CPU, memory, and other essential components is called the:
- (A) Central Processing Unit (CPU)
- (B) Motherboard
- (C) Random Access Memory (RAM)
- (D) Hard Disk Drive (HDD)
A device used to capture images from photographs and store them on a computer is called a:
Correct answer is: A. (A) Scanner
The main part of the computer that houses the motherboard, power supply, and drives is called the?
Correct answer is: B. (B) System Unit
The invention of the laser led to the development of:
Correct answer is: B. Optical discs (CDs, DVDs)
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The development of the personal computer revolutionized:
Correct answer is: B. Home & office computing
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The term “social media” refers to online platforms that enable:
Correct answer is: B. Content sharing & communication
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The development of smartphones has blurred the lines between:
Correct answer is: B. Phones & computers
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Advances in quantum computing have the potential to revolutionize fields like:
Correct answer is: B. Medicine & drug discovery
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The concept of a mechanical computer that could perform calculations is attributed to:
Correct answer is: B. Charles Babbage
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Cybersecurity is the practice of protecting computer systems from:
Correct answer is: C. Unauthorized access/attacks
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The first electronic digital computer, ENIAC, was built during World War II for:
Correct answer is: B. Codebreaking
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Which of the following is NOT a storage device?
Correct answer is: C. Random Access Memory (RAM)
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