Digital Electronics Basic Test

1. Any signed negative binary number is recognised by its ________

Nibble

LSB

MSB

Byte

2. The representation of octal number (532.2)8 in decimal is ________

(340.67)10

(346.25)10

(531.668)10

(532.864)10

3. The decimal equivalent of the binary number (1011.011)2 is ________

(11.375)10

(9.23)10

(10.123)10

(11.175)10

4. If the decimal number is a fraction then its binary equivalent is obtained by ________ the number continuously by 2.

Subtracting

Multiplying

Adding

Dividing

5. The decimal equivalent of the octal number (645)₈ is ______

(501)₁₀

(421)₁₀

(450)₁₀

(451)₁₀

6. The parameter through which 16 distinct values can be represented is known as ________

Word

Byte

Nibble

Bit

7. Representation of hexadecimal number (6DE)H in decimal:

6 * 16² + 12 * 16¹ + 13 * 16⁰

6 * 16² + 14 * 16¹ + 15 * 16⁰

6 * 16² + 11 * 16¹ + 14 * 16⁰

6 * 16² + 13 * 16¹ + 14 * 16⁰

8. The quantity of double word is ________

8 bits

32 bits

4 bits

16 bits

9. The largest two digit hexadecimal number is ________

(EF)16

(FE)16

(FF)16

(FD)16

10. An important drawback of binary system is ________

It requires small string of 1’s and large string of 0’s to represent a decimal number

It requires sparingly small string of 1’s and 0’s to represent a decimal number

It requires very large string of 1’s and 0’s to represent a decimal number

It requires large string of 1’s and small string of 0’s to represent a decimal number