Question 1

In binary subtraction, 100 - 001 = _________.

Accepted Answer

A)  10 
B)  11 
C)  00 
D)  1001 
A)  10 
B)  11 
C)  00 
D)  1001

Question 2

The 1's complement of binary 101010 is _________.

Accepted Answer

A)  010110 
B)  110111 
C)  010101 
D)  101011 
A)  010110 
B)  110111 
C)  010101 
D)  101011

Question 3

Perform the following binary subtraction: 11011 - 111 = _________.

Accepted Answer

A)  10111101 
B)  10100 
C)  0011 
D)  100010 
A)  10111101 
B)  10100 
C)  0011 
D)  100010

Question 4

In binary systems the sign of a number is indicated by _________	.

Accepted Answer

A)  using a 0 (zero) bit in front of negative numbers 
B)  inverting the bits if the number is negative 
C)  placing a negative sign in front of the number 
D)  including a sign bit along with the magnitude bits 
A)  using a 0 (zero) bit in front of negative numbers 
B)  inverting the bits if the number is negative 
C)  placing a negative sign in front of the number 
D)  including a sign bit along with the magnitude bits

Question 5

Which of the following is an invalid BCD code?

Accepted Answer

A)  1001 
B)  0011 
C)  0101 
D)  1101 
A)  1001 
B)  0011 
C)  0101 
D)  1101

Question 6

In the decimal value 42.56, the weight of the numeral 6 is _________.

Accepted Answer

A)  10- 2  
B)  0.06 
C)  6 × 2- 2  
D)  10- 1 
A)  10- 2  
B)  0.06 
C)  6 × 2- 2  
D)  10- 1

Question 7

Which of the following statements accurately describes the Gray code?

Accepted Answer

A)  It is used primarily for shaft position encoding. 
B)  It is not an arithmetic code. 
C)  It exhibits only a single- bit change from one value to the next. 
D)  All of these statements accurately describe the Gray code. 
A)  It is used primarily for shaft position encoding. 
B)  It is not an arithmetic code. 
C)  It exhibits only a single- bit change from one value to the next. 
D)  All of these statements accurately describe the Gray code.

Question 8

In binary addition, 0111 + 0001 = _________.

Accepted Answer

A)  111 
B)  1110 
C)  1000 
D)  1001 
A)  111 
B)  1110 
C)  1000 
D)  1001

Question 9

The Hamming code is a(n) _________.

Accepted Answer

A)  error correction code 
B)  an updated version of the ASCII code 
C)  encryption code 
D)  octal version of the BCD code 
A)  error correction code 
B)  an updated version of the ASCII code 
C)  encryption code 
D)  octal version of the BCD code

Question 10

In binary addition, 1 + 0 = _________.

Accepted Answer

A)  1 with a carry of 0 
B)  0 with a carry of 1 
C)  1 with a carry of 1 
D)  0 with a carry of 0 
A)  1 with a carry of 0 
B)  0 with a carry of 1 
C)  1 with a carry of 1 
D)  0 with a carry of 0

Question 11

The highest single- digit value in the hexadecimal number system equals_________.

Accepted Answer

A)  4 
B)  8 
C)  15 
D)  0 
A)  4 
B)  8 
C)  15 
D)  0

Question 12

Which of the following is based on the division of two binary numbers?

Accepted Answer

A)  Hamming code conversion 
B)  Gray code to decimal conversion 
C)  ASCII decoding 
D)  The cyclic redundancy check (CR
C)  
A)  Hamming code conversion 
B)  Gray code to decimal conversion 
C)  ASCII decoding 
D)  The cyclic redundancy check (CR
C)

Question 13

Which of the following is the most widely used code for computer input and output?

Accepted Answer

A)  EBCDIC 
B)  ASCII 
C)  parity 
D)  Gray 
A)  EBCDIC 
B)  ASCII 
C)  parity 
D)  Gray

Question 14

In binary subtraction, 1 - 1 = _________.

Accepted Answer

A)  0 with a borrow 0 
B)  0 with a borrow of 1 
C)  1 with a borrow of 0 
D)  1 with a borrow of 1 
A)  0 with a borrow 0 
B)  0 with a borrow of 1 
C)  1 with a borrow of 0 
D)  1 with a borrow of 1

Question 15

Convert decimal 59.72 to BCD.

Accepted Answer

A)  1110.11 
B)  0101100101110010 
C)  01011001.01110010 
D)  111011 
A)  1110.11 
B)  0101100101110010 
C)  01011001.01110010 
D)  111011

Question 16

Decimal 42 is equivalent to binary _________.

Accepted Answer

A)  2A 
B)  101010 
C)  01000010 
D)  52 
A)  2A 
B)  101010 
C)  01000010 
D)  52

Question 17

In binary multiplication, 11 × 11 = _________.

Accepted Answer

A)  1001 
B)  11 
C)  1111 
D)  110 
A)  1001 
B)  11 
C)  1111 
D)  110

Question 18

Convert 8B3F16 to binary.

Accepted Answer

A)  35647 
B)  1011001111100011 
C)  1000101100111111 
D)  011010 
A)  35647 
B)  1011001111100011 
C)  1000101100111111 
D)  011010

Question 19

In binary addition, 10 + 11 = _________.

Accepted Answer

A)  111 
B)  21 
C)  101 
D)  11 
A)  111 
B)  21 
C)  101 
D)  11

Question 20

The ASCII and Gray codes serve very similar purposes.

Accepted Answer

A) True 
 B)False

In binary subtraction, 100 - 001 = _________.

The 1's complement of binary 101010 is _________.

Perform the following binary subtraction: 11011 - 111 = _________.

In binary systems the sign of a number is indicated by _________ .

Which of the following is an invalid BCD code?

In the decimal value 42.56, the weight of the numeral 6 is _________.

Which of the following statements accurately describes the Gray code?

In binary addition, 0111 + 0001 = _________.

The Hamming code is a(n) _________.

In binary addition, 1 + 0 = _________.

The highest single- digit value in the hexadecimal number system equals_________.

Which of the following is based on the division of two binary numbers?

Which of the following is the most widely used code for computer input and output?

In binary subtraction, 1 - 1 = _________.

Convert decimal 59.72 to BCD.

Decimal 42 is equivalent to binary _________.

In binary multiplication, 11 × 11 = _________.

Convert 8B3F₁₆to binary.

In binary addition, 10 + 11 = _________.

The ASCII and Gray codes serve very similar purposes.

Introductory Concepts

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Transmission

Data Processing and Control

Integrated Circuit Technologies

Filters

Exam 2: Number Systems, Operations, and Codes

In binary subtraction, 100 - 001 = _________.

The 1's complement of binary 101010 is _________.

Perform the following binary subtraction: 11011 - 111 = _________.

In binary systems the sign of a number is indicated by _________ .

Which of the following is an invalid BCD code?

In the decimal value 42.56, the weight of the numeral 6 is _________.

Which of the following statements accurately describes the Gray code?

In binary addition, 0111 + 0001 = _________.

The Hamming code is a(n) _________.

In binary addition, 1 + 0 = _________.

The highest single- digit value in the hexadecimal number system equals_________.

Which of the following is based on the division of two binary numbers?

Which of the following is the most widely used code for computer input and output?

In binary subtraction, 1 - 1 = _________.

Convert decimal 59.72 to BCD.

Decimal 42 is equivalent to binary _________.

In binary multiplication, 11 × 11 = _________.

Convert 8B3F16 to binary.

In binary addition, 10 + 11 = _________.

The ASCII and Gray codes serve very similar purposes.

Introductory Concepts

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Transmission

Data Processing and Control

Integrated Circuit Technologies

Filters

Convert 8B3F₁₆to binary.