Question 1

What is the binary representation of the decimal number 14?

Accepted Answer

1110

Question 2

What is the hexadecimal representation of the decimal number 25?

Accepted Answer

19

Question 3

What is the binary representation of the decimal number 42?

Accepted Answer

101010

Question 4

What is the decimal representation of the binary number 10101?

Accepted Answer

21

Question 5

What is the hexadecimal representation of the decimal number 48?

Accepted Answer

30

Question 6

What is the binary representation of the decimal number 63?

Accepted Answer

111111

Question 7

What is the decimal representation of the binary number 11010?

Accepted Answer

26

Question 8

Which number system uses only the digits 0 and 1?

Accepted Answer

Binary

Question 9

Which number system is base-16?

Accepted Answer

Hexadecimal

Question 10

What is the binary representation of the decimal number 10?

Accepted Answer

1010

Answer

1110

Answer

1100

Answer

1001

Question 11

Which number system uses the digits 0-9 and the letters A-F?

Accepted Answer

Hexadecimal

Question 12

What is the decimal equivalent of the binary number 101010?

Accepted Answer

42

Question 13

What is the decimal equivalent of the hexadecimal number 3F?

Accepted Answer

63

Question 14

What is the binary representation of the decimal number 25?

Accepted Answer

11001

Question 15

What is the binary representation of the decimal number 43?

Accepted Answer

101011

Question 16

Which of the following is the smallest unit of data in digital computing?

Accepted Answer

Bit

Question 17

How many bits are in a byte?

Accepted Answer

8

Answer

16

Answer

4

Answer

32

Question 18

Which of the following is an example of data representation in binary format?

Accepted Answer

01001001

Answer

ABCDEFG

Answer

12345

Answer

true

Question 19

Which of the following is a base-16 number system?

Accepted Answer

Hexadecimal

Answer

Decimal

Answer

Binary

Answer

Octal

Question 20

In a 16-bit binary number, how many different values can be represented?

Accepted Answer

65536

Question 21

What is the relationship between a byte and a kilobyte?

Accepted Answer

A kilobyte is equal to 1024 bytes

Answer

A kilobyte is equal to 1000 bytes

Answer

A kilobyte is equal to 512 bytes

Answer

A kilobyte is equal to 100 bytes

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