Number systems

Class 9 · Computer Science · 5 questions

Name: ____________________ Date: ____________

The base of the binary number system is:
- A 8
- B 16
- C 2
- D 10
What is the decimal value of the binary number 101?
- A 6
- B 7
- C 3
- D 5
What is the binary form of the decimal number 6?
- A 101
- B 110
- C 111
- D 100
Which digit is not used in the binary system?
- A 1
- B 0
- C All are used
- D 2
The base of the hexadecimal system is:
- A 8
- B 16
- C 2
- D 10

Answer key

1. C, 2. D, 3. B, 4. D, 5. B