Question 1

A CD stores information in analog form.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following groups of codes represent all the invalid BCD codes?

Accepted Answer

A)  1000, 1001, 1010, 1011, 1100, 1101 
B)  1010, 1011, 1100, 1101, 1110, 1111 
C)  1000, 1001, 1010, 1011, 1100, 1110 
D)  1001, 1010, 1011, 1100, 1101, 1110 
A)  1000, 1001, 1010, 1011, 1100, 1101 
B)  1010, 1011, 1100, 1101, 1110, 1111 
C)  1000, 1001, 1010, 1011, 1100, 1110 
D)  1001, 1010, 1011, 1100, 1101, 1110

Question 3

Using a special group of symbols to represent numbers, letters, or words is called:

Accepted Answer

A)  American Standard Code for Information Interchange. 
B)  Encoding. 
C)  Alphanumeric Code. 
D)  Straight Binary Code. 
A)  American Standard Code for Information Interchange. 
B)  Encoding. 
C)  Alphanumeric Code. 
D)  Straight Binary Code.

Question 4

Convert the decimal value 1079 to binary.

Accepted Answer

A)  100001101112  
B)  110000101112  
C)  100101001112  
D)  100000101112 
A)  100001101112  
B)  110000101112  
C)  100101001112  
D)  100000101112

Question 5

Convert the BCD number 0011 0111 0101 1001 to its decimal equivalent.

Accepted Answer

A)  14,169 
B)  3,759 
C)  14,168 
D)  3,758 
A)  14,169 
B)  3,759 
C)  14,168 
D)  3,758

Question 6

What is the primary advantage of using the BCD code in place of straight binary coding?

Accepted Answer

A)  BCD codes are easily converted to hexadecimal codes. 
B)  The relative ease of converting to and from decimals. 
C)  Fewer bits are required to represent a decimal number with the BCD code. 
D)  BCD codes are easily converted to straight binary codes. 
A)  BCD codes are easily converted to hexadecimal codes. 
B)  The relative ease of converting to and from decimals. 
C)  Fewer bits are required to represent a decimal number with the BCD code. 
D)  BCD codes are easily converted to straight binary codes.

Question 7

The decimal number 208,973 has a hexadecimal equivalent of:

Accepted Answer

A)  33,3D1 
B)  33,04D 
C)  630,115 
D)  631,721 
A)  33,3D1 
B)  33,04D 
C)  630,115 
D)  631,721

Question 8

The acronym ASCII stands for American Standard Code for Information___________.

Accepted Answer

The answer of The acronym ASCII stands for American Standard...

Question 9

Many digital electronic systems work in hexadecimal rather than binary.

Accepted Answer

A) True 
 B)False

Question 10

What is the decimal equivalent of 74A16?

Accepted Answer

A)  1,579 
B)  29,856 
C)  1,866 
D)  3,512 
A)  1,579 
B)  29,856 
C)  1,866 
D)  3,512

Question 11

The output unit of a PC performs calculation and logical decisions.

Accepted Answer

A) True 
 B)False

Question 12

Select the correct transmission code group for a hexadecimal value of 52 if the even parity method of error detection is used. The parity bit is to the left of the code MSB.

Accepted Answer

A)  1101000 
B)  01010001 
C)  01010010 
D)  11010010 
A)  1101000 
B)  01010001 
C)  01010010 
D)  11010010

Question 13

The ASCII code is an alphanumeric code that has 27 = 128 possible code groups. How many bits are required to accommodate 128 different code groups?

Accepted Answer

A)  8 
B)  9 
C)  7 
D)  6 
A)  8 
B)  9 
C)  7 
D)  6

Question 14

The ___________code represents alphanumeric characters as seven bit binary numbers.

Accepted Answer

The answer of The ___________code represents alphanumeric characters as seven...

Question 15

A parity bit is an extra bit that is attached to a code group that is being transferred from one location to another.

Accepted Answer

A) True 
 B)False

Question 16

What is another name for a number detector?

Accepted Answer

A)  counter 
B)  demultiplexer 
C)  decoder 
D)  multiplexer 
A)  counter 
B)  demultiplexer 
C)  decoder 
D)  multiplexer

Question 17

How many different numbers can be represented using eight bits?

Accepted Answer

A)  256 
B)  128 
C)  64 
D)  512 
E)  none of the above 
A)  256 
B)  128 
C)  64 
D)  512 
E)  none of the above

Question 18

Which of the following represents the correct counting sequence from FEE16?

Accepted Answer

A)  FED, FEC, FEB, FEA, FEA, FFB 
B)  FEF, FF0, FF1, FF2, FF3, FF4 
C)  FF0, FF1, FF2, FF3, FF4, FF5 
D)  FEF, FFF, 1FF0, 1FF1, 1FF2, 1FF3 
A)  FED, FEC, FEB, FEA, FEA, FFB 
B)  FEF, FF0, FF1, FF2, FF3, FF4 
C)  FF0, FF1, FF2, FF3, FF4, FF5 
D)  FEF, FFF, 1FF0, 1FF1, 1FF2, 1FF3

Question 19

The binary equivalent for DFA16 is:

Accepted Answer

A)  0110110110112  
B)  1111011001012  
C)  1101111110102  
D)  1110101110102 
A)  0110110110112  
B)  1111011001012  
C)  1101111110102  
D)  1110101110102

Question 20

Binary digits are called bits.

Accepted Answer

A) True 
 B)False

A CD stores information in analog form.

Which of the following groups of codes represent all the invalid BCD codes?

Using a special group of symbols to represent numbers, letters, or words is called:

Convert the decimal value 1079 to binary.

Convert the BCD number 0011 0111 0101 1001 to its decimal equivalent.

What is the primary advantage of using the BCD code in place of straight binary coding?

The decimal number 208,973 has a hexadecimal equivalent of:

The acronym ASCII stands for American Standard Code for Information___________.

Many digital electronic systems work in hexadecimal rather than binary.

What is the decimal equivalent of 74A₁₆?

The output unit of a PC performs calculation and logical decisions.

Select the correct transmission code group for a hexadecimal value of 52 if the even parity method of error detection is used. The parity bit is to the left of the code MSB.

The ASCII code is an alphanumeric code that has 2⁷⁼128 possible code groups. How many bits are required to accommodate 128 different code groups?

The ___________code represents alphanumeric characters as seven bit binary numbers.

A parity bit is an extra bit that is attached to a code group that is being transferred from one location to another.

What is another name for a number detector?

How many different numbers can be represented using eight bits?

Which of the following represents the correct counting sequence from FEE₁₆?

The binary equivalent for DFA₁₆is:

Binary digits are called bits.

Introductory Concepts

Describing Logic Circuits

Combinational Logic Circuits

Flip-Flops and Related Devices

Digital Arithmetic: Operations and Circuits

Counters and Registers

Integrated-Circuit Logic Families

MSI Logic Circuits

Digital System Projects Using HDL

Interfacing With the Analog World

Memory Devices

Programmable Logic Device Architectures

Filters

Exam 2: Number Systems and Codes

A CD stores information in analog form.

Which of the following groups of codes represent all the invalid BCD codes?

Using a special group of symbols to represent numbers, letters, or words is called:

Convert the decimal value 1079 to binary.

Convert the BCD number 0011 0111 0101 1001 to its decimal equivalent.

What is the primary advantage of using the BCD code in place of straight binary coding?

The decimal number 208,973 has a hexadecimal equivalent of:

The acronym ASCII stands for American Standard Code for Information___________.

Many digital electronic systems work in hexadecimal rather than binary.

What is the decimal equivalent of 74A16?

The output unit of a PC performs calculation and logical decisions.

Select the correct transmission code group for a hexadecimal value of 52 if the even parity method of error detection is used. The parity bit is to the left of the code MSB.

The ASCII code is an alphanumeric code that has 27 = 128 possible code groups. How many bits are required to accommodate 128 different code groups?

The ___________code represents alphanumeric characters as seven bit binary numbers.

A parity bit is an extra bit that is attached to a code group that is being transferred from one location to another.

What is another name for a number detector?

How many different numbers can be represented using eight bits?

Which of the following represents the correct counting sequence from FEE16?

The binary equivalent for DFA16 is:

Binary digits are called bits.

Introductory Concepts

Describing Logic Circuits

Combinational Logic Circuits

Flip-Flops and Related Devices

Digital Arithmetic: Operations and Circuits

Counters and Registers

Integrated-Circuit Logic Families

MSI Logic Circuits

Digital System Projects Using HDL

Interfacing With the Analog World

Memory Devices

Programmable Logic Device Architectures

Filters

What is the decimal equivalent of 74A₁₆?

The ASCII code is an alphanumeric code that has 2⁷⁼128 possible code groups. How many bits are required to accommodate 128 different code groups?

Which of the following represents the correct counting sequence from FEE₁₆?

The binary equivalent for DFA₁₆is: