CSE3 COA Quiz

Minimum number of 2-input NAND gates required to realize XOR gate?

• 3

• 4

• 5

• 2

Consider the circuit given in the figure. What function does f implement?

• A'B'C + A'BC' + ABC

• A + B +C

• A⊕B⊕C

• AB + BC + CA

The characteristic equation of SR flip-flop is given by:

The number of distinct 16-bit integers in 2's complement representation are ___

• 2¹⁶

• 2^16-1

• 2¹⁶-1

• 2(2¹⁶-1)

A multiplexer with a 4 bit data select input is a

• 4 X 1 multiplexer

•  2 X 1 multiplexer

• 16 X 1 multiplexer

• 8X1 multiplexer

Zero has two representations in 

• Sign magnitude 

• 1’s complement

• 2’s complement

• Both Sign Magnitude and 1's complement

Find the 10’s complement of (456)₁₀

• 540

• 542

• 543

• 544

Which of the following expressions is not equivalent to x' ?

• x NAND x

• x NOR x

• x NAND 1

• x NOR 1

Let the representation of a number in base 3 be 210. What is the hexadecimal representation of the number?

• 21

• 13

• D2

• 15

 What is the equivalent Boolean expression in product-of-sums form for the K-map given in the figure

• (B'+D')(B+D)

•  (B+D')(B+D')

•  (B+D')(B'+D) 

• None of the above