PU CSS 2026 Data Representation Free Quiz 1

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PU CSS 2026 Data Representation Free Quiz 1

PU CSS Quiz

10:00

Answered: 0 / 10

Remaining: 10

Navigator 10 Q

General

General 10 MCQs

1. What is the smallest unit of data in a computer?

A. Bit B. Byte C. Nibble D. Word

2. How many bits are in a byte?

A. 4 bits B. 8 bits C. 16 bits D. 32 bits

3. How many bits are in a nibble?

A. 2 bits B. 8 bits C. 4 bits D. 16 bits

4. What is a word in computer terms?

A. Always 8 bits B. Always 16 bits C. Always 32 bits D. Depends on the computer architecture

5. How many bytes are in a kilobyte?

A. 1024 bytes B. 1000 bytes C. 1024 bits D. 1000 bits

6. How many bits does extended ASCII use?

A. 7-bit B. 8-bit C. 16-bit D. 32-bit

7. How many bits does Unicode use?

A. 7-bit B. 8-bit C. 16-bit (or more) D. 32-bit

8. What is UTF-8?

A. Fixed 7-bit B. Fixed 8-bit C. Fixed 16-bit D. Variable-length (1 to 4 bytes)

9. What are the ASCII values of 'A' and 'a'?

A. A=65, a=97 B. A=66, B=67 C. a=65 D. A=97

10. What representation uses the most significant bit for sign?

A. Signed magnitude B. One's complement C. Two's complement D. Biased representation

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