Which device is used to input data from a printed paper? MCQ with Answer and Explanation

Which device is used to input data from a printed paper?
A. Touchscreen
B. Webcam
C. Microphone
D. Scanner
Answer: Option D
Solution (By JKExamLibrary)
A scanner converts printed text and images into digital data.

This question belongs to: Computer Computer Fundamentals

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Practice More Computer Fundamentals Questions

Question #1 Report Error
Which of the following is a characteristic of fifth-generation computers?
A. Artificial intelligence
B. Use of vacuum tubes
C. Use of microprocessors
D. Magnetic core memory

Correct Answer: Option A


Explanation:
Fifth-generation computers focus on AI and natural language processing.

This question belongs to: Computer Computer Fundamentals
Question #2 Report Error
Which class of computers is specifically optimized to manage massive transaction processing and support thousands of simultaneous users in large enterprises like banks or airline reservation systems?
A. Supercomputers
B. Workstations
C. Minicomputers
D. Mainframe Computers

Correct Answer: Option D


Explanation:
Mainframe computers excel at high-volume transaction processing and simultaneous user handling, whereas supercomputers are optimized for complex computational speed.

This question belongs to: Computer Computer Fundamentals
Question #3 Report Error
What does the term 'bit' stand for?
A. Binary digit
B. Binary term
C. Basic unit
D. Bit information

Correct Answer: Option A


Explanation:
Bit is a contraction of 'binary digit', the smallest unit of data.

This question belongs to: Computer Computer Fundamentals