12B Final exam 24/25 Semester 1 (v1)

A computer stores the number 1011 in binary. What is the decimal equivalent of this number?

• 13

• 11

• 10

• 15

Lisa is organizing files. She needs to convert the binary value 11010 into decimal to label the file size. What is the size in decimal?

• 26

• 18

• 30

• 22

A robot navigates based on binary commands. It receives the instruction to move 110 steps forward. How many steps will it move in decimal?

• 5

• 6

• 7

• 3

Two sensors transmit data in binary: 101 and 1001. What is the sum of these numbers in decimal?

• 10

• 14

• 16

• 20

A spaceship subtracts 1100 (binary) fuel units from its total, which is 10001 (binary). How much fuel is left in binary?

• 1001

• 1101

• 1110

• 101

A digital clock represents the time in binary. If the hour is 1001 and the minute is 1111, what is the time in decimal?

• 9 hours, 15 minutes

• 9 hours, 17 minutes

• 15 hours, 9 minutes

• 7 hours, 11 minutes

Which binary number is the correct representation of decimal 23?

• 10111

• 11101

• 11011

• 10101

A game score system stores values in binary. If Player A scored 1101 and Player B scored 1010, what is their combined score in binary?

• 11111

• 10111

• 11001

• 11110

You are programming a calculator to convert 10110 from binary to decimal. What number will it display?

• 22

• 20

• 18

• 21

What is the binary result of adding 110 and 11?

• 1000

• 1010

• 111

• 1011