Digital Arithmetic Operations and Circuits MCQs

Question 1

34FC + AD31 = ________.

Accepted Answer

E22D

Answer

E31D

Answer

E21D

Answer

E42D

Question 2

Solve this binary problem: 1001 × 1100 = ________.

Accepted Answer

01101100

Answer

01110001

Answer

01110001

Answer

01101110

Question 3

A four-bit adder can perform ________.

Accepted Answer

addition

Answer

subtraction

Answer

logical AND

Answer

All of the above

Question 4

The concurrent section of the hardware description is where the ________ are interconnected.

Accepted Answer

components

Answer

functions

Answer

circuits

Answer

macrofunctions

Question 5

The binary subtraction 1 – 1 = ________.

Accepted Answer

difference = 0 borrow = 0

Answer

difference = 1 borrow = 0

Answer

difference = 1 borrow = 1

Answer

difference = 0 borrow = 1

Question 6

When subtracting 6 from 9 using 2's-complement methods, the ________ is 2's complemented before the addition.

Accepted Answer

six

Answer

multiplier

Answer

nine

Answer

two

Question 7

When performing binary addition using the 2's-complement method, an ________ can occur if ________ are of the same ________; the error is indicated by a(n) ________.

Accepted Answer

overflow, both numbers, sign, incorrect sign bit

Answer

error, both numbers, magnitude, negative sign

Answer

overflow, signs, magnitude, incorrect sum

Answer

error, the signs, polarity, incorrect polarity

Question 8

Negation is performed by simply performing the ________ operation.

Accepted Answer

2's-complement

Answer

1's-complement

Answer

sign

Answer

surrogate

Question 9

Solve this BCD problem: 0101 + 0110 = ________.

Accepted Answer

00001001BCD

Answer

00010111BCD

Answer

00010011BCD