Class 6 Computer & AI Chapter 1: The Computer System and Memory — practice questions with answers
Free practice for Class 6 Computer & AI, Chapter 1: The Computer System and Memory. Try the solved questions below, then take a free test with instant marking and explanations.
25 questions7 easy, 14 medium, 4 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. Which order shows how a computer works?
- Input → Process → Output, with Storage to save
- Output → Input → Process
- Storage → Output → Input
- Process → Input → Print
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Answer: A. Input → Process → Output, with Storage to save
Why: A computer takes input, processes it, gives output, and stores data for later — the IPO cycle with storage. [NAL syllabus, Class 6 Unit 1]
Why: A computer takes input, processes it, gives output, and stores data for later — the IPO cycle with storage. [NAL syllabus, Class 6 Unit 1]
Q2. The part of the computer that processes instructions is the CPU, which stands for Central ______ Unit.
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Answer: Processing
Why: CPU = Central Processing Unit, the ‘brain’ that processes instructions. [NAL syllabus, Class 6 Unit 1]
Why: CPU = Central Processing Unit, the ‘brain’ that processes instructions. [NAL syllabus, Class 6 Unit 1]
Q3. The smallest unit of computer data, a 0 or a 1, is called a ______.
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Answer: bit
Why: A bit (binary digit) is 0 or 1; 8 bits make 1 byte. [NAL syllabus, Class 6 Unit 1]
Why: A bit (binary digit) is 0 or 1; 8 bits make 1 byte. [NAL syllabus, Class 6 Unit 1]
Q4. How many bits make one byte?
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Answer: 8 (± 0)
Why: 8 bits = 1 byte. [NAL syllabus, Class 6 Unit 1]
Why: 8 bits = 1 byte. [NAL syllabus, Class 6 Unit 1]
Q5. Which of these are input devices? (Tick all that apply)
- Scanner
- Microphone
- Joystick
- Projector
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Answer: A. Scanner; B. Microphone; C. Joystick
Why: Scanners, microphones and joysticks send data in; a projector shows output. [NAL syllabus, Class 6 Unit 1]
Why: Scanners, microphones and joysticks send data in; a projector shows output. [NAL syllabus, Class 6 Unit 1]
Q6. Which are output devices? (Tick all that apply)
- Projector
- Printer
- Speaker
- Webcam
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Answer: A. Projector; B. Printer; C. Speaker
Why: Projectors, printers and speakers give output; a webcam is input. [NAL syllabus, Class 6 Unit 1]
Why: Projectors, printers and speakers give output; a webcam is input. [NAL syllabus, Class 6 Unit 1]
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How many practice questions are there for Class 6 Computer & AI Chapter 1: The Computer System and Memory?
25 questions (7 easy, 14 medium, 4 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 6 Computer & AI syllabus, used by CBSE and many state boards.