Digital Arithmetic Operations and Circuits MCQs

Question 1

A 74HC283 can be used to implement a(n) ________ adder.

Accepted Answer

4-bit full

Answer

4-bit BCD

Answer

8-bit BCD

Answer

8-bit full

Question 2

The two's complement of 00001111 is ________.

Accepted Answer

11110001

Answer

11111111

Answer

11110000

Answer

11110111

Question 3

Inside a computer all arithmetic operations take place in the ________.

Accepted Answer

ALU

Answer

accumulator register

Answer

CPU

Answer

B register

Question 4

–910 represented in eight-bit two's-complement notation is ________.

Accepted Answer

11110111

Answer

11111001

Answer

11110110

Answer

01111101

Question 5

Solve this binary problem: 01011000 ÷ 00001011 = ________.

Accepted Answer

0110

Answer

1010

Answer

1110

Question 6

If [A] = 10 and [B] = 01, then [A] [b] = ________.

Accepted Answer

11

Answer

[00]

Answer

00

Answer

[00]

Question 7

Binary numbers can be added together in a basic parallel-adder circuit when ________.

Accepted Answer

negative numbers are in 2's-complement form

Answer

negative numbers are in 1's-complement form

Answer

all carry pins are grounded

Answer

all negative numbers are noted

Question 8

To make an eight-bit adder from two four-bit adders you must connect ________.

Accepted Answer

the low-order carry-out to the high-order carry-in

Answer

the high-order carry-in to ground

Answer

the high-order carry-out to ground

Answer

the low-order sum to the high-order data input

Question 9

Packages are used to contain ________ and other information that must be available to all entities in the design file.

Accepted Answer

components

Answer

types

Answer

vectors

Answer

variables