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Chapter: 11th Computer Science : Chapter 2 : Number Systems

Choose the correct answer

Multiple choice questions with answers / choose the correct answer with answers - Computer Science Book back 1 mark questions and answers

Number Systems

Choose the best answer

 

1.Which refers to the number of bits processed by a computer’s CPU?

A) Byte

B) Nibble

C) Word length

D) Bit

 

2. How many bytes does 1 KiloByte contain?

A) 1000

B) 8

C) 4

D) 1024

 

3. Expansion for ASCII

A) American School Code for Information Interchange

B) American Standard Code for Information Interchange

C) All Standard Code for Information Interchange

D) American Society Code for Information Interchange

 

4. 2^50 is referred as

A) Kilo

B) Tera

C) Peta

D) Zetta

 

5. How many characters can be handled in Binary Coded Decimal System?

A) 64

B) 255

C) 256

D) 128

 

6. For 11012 what is the Hexadecimal equivalent?

A) F

B) E

C) D

D) B

 

7. What is the 1’s complement of 00100110?

A) 00100110

B) 11011001

C) 11010001

D) 00101001

 

8. Which amongst this is not an Octal number?

A) 645

B) 234

C) 876

D) 123


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