Which of the following is an example of a non-impact printer? MCQ with Answer and Explanation

Question
Which of the following is an example of a non-impact printer?
A. Dot matrix
B. Laser printer
C. Daisy wheel
D. Line printer
Answer: Option B
Solution (By JKSSB Mock Tests)
Laser printers are non-impact, using toner and heat to print without striking the paper.
This question belongs to: Computer Computer Fundamentals
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Question #1
Which of the following early electronic systems was the first commercial, mass-produced digital computer sold to corporate and government clients?
A. EDSAC
B. ENIAC
C. EDVAC
D. UNIVAC I
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Correct Answer: Option D

Explanation:
UNIVAC I (Universal Automatic Computer) was the first commercial computer produced in the US, designed for business data applications.
This question belongs to: Computer Computer Fundamentals
Question #2
Which memory layout is inherently volatile, losing all its cached configurations and data records immediately when electrical power is disrupted?
A. RAM Modules
B. ROM Chip
C. Flash Storage
D. Magnetic Tape
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Correct Answer: Option A

Explanation:
RAM is volatile memory; it requires continuous electrical current to maintain its logic states and flushes completely upon power loss.
This question belongs to: Computer Computer Fundamentals
Question #3
Which component of the central processing unit performs logical operations such as comparing two numbers to see which one is greater?
A. Input Interface
B. Memory Management Unit
C. Arithmetic Logic Unit
D. Control Unit
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Correct Answer: Option C

Explanation:
The Arithmetic Logic Unit (ALU) is split into two parts: the arithmetic section (addition, subtraction) and the logic section (comparisons like equal to, greater than).
This question belongs to: Computer Computer Fundamentals
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