HEXIDECIMAL

Question 1

What character represents the decimal number 11?

Answer 1

B

In hexadecimal, the character for 11 is B.

Question 2

What is the character for the decimal number 13?

Answer 2

D

In hexadecimal, the character for 13 is D.

Question 3

What is the highest number that can be represented in two columns of hexadecimal?

Answer 3

255

Two columns of hexadecimal can represent values from 00 to FF, which equals 255 in decimal.

Question 4

What is the highest number that can be represented in eight columns of binary?

Answer 4

255

Eight columns of binary can represent values from 00000000 to 11111111, which equals 255 in decimal.

Question 5

Convert the hex number AA to denary.

Answer 5

170

AA in hexadecimal converts to 170 in decimal.

Question 6

Convert the denary number 102 to hex.

Answer 6

66

102 in decimal converts to 66 in hexadecimal.

Question 7

Convert the base 16 number AD to binary.

Answer 7

1 0 1 0 1 1 0 1

AD in hexadecimal converts to 10101101 in binary.

Question 8

Convert the binary number 1 0 1 0 1 1 0 0 to base 16.

Answer 8

AC

The binary 10101100 converts to AC in hexadecimal.

Question 9

Computers understand hexadecimal. True or False?

Answer 9

True

Hexadecimal is commonly used in computing as a shorthand representation of binary.

Question 10

What is the correct binary representation of the denary number 46?

Answer 10

0 0 0 1 0 1 1 0

Denary 46 in binary is calculated by repeatedly dividing by 2 and recording the remainders.

Question 11

What is the correct binary representation of the denary number 102?

Answer 11

0 1 1 0 0 1 1 0

Denary 102 in binary is calculated by converting the number from base 10 to base 2.

Question 12

What is the correct binary representation of the denary number 240?

Answer 12

1 1 1 1 0 0 0 0

Denary 240 is represented in binary by converting the number and obtaining the binary digits.

Question 13

What is the correct denary representation of the binary number 1 0 1 0 1 1 1 0?

Answer 13

174

To convert binary to denary, multiply each bit by 2 raised to the power of its position.

Question 14

What is the correct denary representation of the binary number 1 1 0 1 1 0 1 1?

Answer 14

219

The denary conversion process involves summing the values of the binary digits based on their positional values.

Question 15

What is the correct denary representation of the binary number 0 0 0 0 1 1 0 0?

Answer 15

12

Each binary digit corresponds to a power of 2, which is summed to find the denary equivalent.