Question 1

Convert the binary number 1010 to its hexadecimal equivalent.

Accepted Answer

A

Answer

C

Answer

9

Answer

B

Question 2

What is the 2’s complement of the 4-bit binary number 0110?

Accepted Answer

1010

Answer

1001

Answer

1101

Answer

0101

Question 3

Which hexadecimal number is equivalent to the decimal number 31?

Accepted Answer

1F

Answer

1E

Answer

2E

Answer

30

Question 4

What is the result of adding the binary numbers 1011 and 1101?

Accepted Answer

11000

Answer

11001

Answer

10100

Answer

11100

Question 5

Why is hexadecimal commonly used in computing?

Accepted Answer

It simplifies representation of binary data.

Answer

It is easier to understand than decimal.

Answer

It uses more digits than binary.

Answer

It is the same as binary.

Question 6

What is the binary representation of the hexadecimal number B3?

Accepted Answer

10110011

Answer

10011101

Answer

11011011

Answer

11100101

Question 7

Which of the following is the decimal equivalent of the binary number 11001?

Accepted Answer

25

Answer

29

Answer

21

Answer

19

Question 8

How do you represent the decimal number -7 in 4-bit 2's complement binary?

Accepted Answer

1001

Answer

0111

Answer

1010

Answer

1111

Question 9

Which of these hexadecimal digits is equivalent to the binary number 1110?

Accepted Answer

E

Answer

D

Answer

F

Answer

A

Question 10

What is the binary addition of 1101 and 1011?

Accepted Answer

11000

Answer

10110

Answer

11110

Answer

10101

Question 11

Which of the following hexadecimal values is equivalent to the binary number 1010 1100?

Accepted Answer

AC

Answer

8E

Answer

BC

Answer

5C

Question 12

What is the result of adding the binary numbers 1011 and 1101?

Accepted Answer

11000

Answer

11111

Answer

10110

Answer

10010

Question 13

In the 2's complement system, what is the 2's complement of the binary number 0101?

Accepted Answer

1011

Answer

0010

Answer

1001

Answer

1101

Question 14

What is the denary (decimal) equivalent of the hexadecimal number 1F?

Accepted Answer

31

Answer

28

Answer

35

Answer

29

Question 15

Which of the following is a common use of hexadecimal in computing?

Accepted Answer

Representing colors in web design

Answer

Writing ASCII text

Answer

Describing network topologies

Answer

Storing large integers

Question 16

What is the binary equivalent of the denary number 45?

Accepted Answer

101101

Answer

101011

Answer

111001

Answer

110011

Question 17

What is the result of adding the hexadecimal numbers 1A and 2F?

Accepted Answer

49

Answer

4B

Answer

3E

Answer

50

Question 18

Which of the following represents the hexadecimal number 3C in binary?

Accepted Answer

00111100

Answer

01010101

Answer

01111010

Answer

11100011

Question 19

What is the hexadecimal representation of the binary number 11101101?

Accepted Answer

ED

Answer

EC

Answer

EF

Answer

E9

Question 20

What is the 2's complement of the binary number 0110?

Accepted Answer

1010

Answer

0101

Answer

1100

Answer

1001

Question 21

What is the result of adding the binary numbers 1011 and 1101?

Accepted Answer

11000

Answer

10001

Answer

10101

Answer

10010

Question 22

What is the result of adding the binary numbers 1100 and 1010?

Accepted Answer

10110

Answer

10010

Answer

11100

Answer

11110

Question 23

What is the result of adding the binary numbers 1110 and 0111?

Accepted Answer

10101

Answer

10011

Answer

10010

Answer

11001

Question 24

What is the result of adding the binary numbers 1001 and 0110?

Accepted Answer

1111

Answer

1011

Answer

10001

Answer

1101

Question 25

What is the result of adding the binary numbers 1010 and 1001?

Accepted Answer

10011

Answer

1101

Answer

1110

Answer

10111

Question 26

What is the result of adding the binary numbers 1101 and 1011?

Accepted Answer

11000

Answer

10110

Answer

10001

Answer

11110

Question 27

What is the result of adding the binary numbers 1111 and 0001?

Accepted Answer

10000

Answer

11001

Answer

1110

Answer

10111

Question 28

What is the result of adding the binary numbers 101 and 111?

Accepted Answer

1100

Answer

1011

Answer

1001

Answer

1111

Question 29

What is the result of adding the binary numbers 0110 and 0101?

Accepted Answer

1011

Answer

1100

Answer

1001

Answer

0111

Question 30

What is the result of adding the binary numbers 1001 and 0111?

Accepted Answer

10000

Answer

11000

Answer

01110

Answer

10110

Question 31

Which of the following is a correct HTML color code format?

Accepted Answer

#FFA500

Answer

RGB(255,165,0)

Answer

HSL(30,100%,50%)

Answer

#FFFF00

Question 32

What is the HTML color code for a pure white color?

Accepted Answer

#FFFFFF

Answer

#FF0000

Answer

#000000

Answer

#808080

Question 33

What is the HTML color code for the color 'salmon'?

Accepted Answer

#FA8072

Answer

#B0C4DE

Answer

#8A2BE2

Answer

#20B2AA

Question 34

What is the HTML color code for the color 'goldenrod'?

Accepted Answer

#DAA520

Answer

#FF1493

Answer

#00BFFF

Answer

#ADFF2F

Question 35

What does the HTML color code #008000 represent?

Accepted Answer

Green

Answer

Red

Answer

Blue

Answer

Yellow

Question 36

In HTML color codes, what does the letter 'F' represent?

Accepted Answer

Maximum value

Answer

Average value

Answer

Negative value

Answer

Minimum value

Question 37

What does the HTML color code #0000FF represent?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Green

Question 38

What does the term 'MAC' stand for in MAC address?

Accepted Answer

Media Access Control

Answer

Multiplexed Address Code

Answer

Modem Access Control

Answer

Memory Access Configuration

Question 39

What is the purpose of a MAC address in a network?

Accepted Answer

To uniquely identify a device on a network

Answer

To determine network speed

Answer

To encrypt network traffic

Answer

To filter spam emails

Question 40

How are MAC addresses formatted in hexadecimal notation?

Accepted Answer

6 pairs of hexadecimal digits separated by colons or hyphens

Answer

4 groups of binary bits separated by slashes

Answer

12 characters of alphanumeric symbols separated by underscores

Answer

8 pairs of decimal digits separated by periods

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