Electronics General knowledge Quiz

1. Convert hexadecimal value 16 to decimal.

A. 22₁₀
B. 16₁₀
C. 10₁₀
D. 20₁₀

The Correct option is – (A) 22₁₀

2. Convert the following decimal number to 8-bit binary. 187

A. 10111011₂    
B. 11011101₂
C. 10111101₂
D. 10111100₂

The Correct option is – (A) 10111011₂

3. Convert binary 111111110010 to hexadecimal.

A. EE2₁₆
B. FF2₁₆
C. 2FE₁₆
D. FD2₁₆

The Correct option is – (B)  FF2₁₆

4. How many binary digits are required to count to 100₁₀?

A. 7
B. 2
C. 3
D. 100

The Correct option is – (A) 7

5. The binary number for octal 45₈  is ________.

A. 100010
B. 100101
C. 110101
D. 100100

The correct option is – (B) 100101

6. How many bits are in an ASCII character?

A. 16
B. 8
C. 7
D. 4

The Correct option is – (C) 7

7. The octal numbering system:

A. simplifies tasks
B. groups binary numbers in groups of 4
C. saves time
D. simplifies tasks and saves time

The Correct option is – (D) simplifies tasks and saves time

8. When using even parity, where is the parity bit placed?

A. Before the MSB
B. After the LSB
C. In the parity word
D. After the odd parity bit

The Correct option is – (A) Before the MSB

9. Which of the following is an invalid BCD code?
A. 0011
B. 1101
C. 0101
D. 1001

The Correct option is – (B) 1101

10. What is the difference between binary coding and binary-coded decimal?

A. BCD is pure binary.
B. Binary coding has a decimal format.
C. BCD has no decimal format.
D. Binary coding is pure binary.

The Correct option is – (D) Binary coding is pure binary.