Data Representation Fundamentals

What is the base of the binary number system?

• 16

• 8

• 10

• 2

How many digits are used in the hexadecimal number system?

• 8

• 10

• 12

• 16

What is the value of 1011 in binary?

• 11

• 110

• 1000

• 101

Convert the binary number 1101 to hexadecimal.

• 2A

• 1F

• 3C

• 1D

What bitwise operation is used to set a bit to 1?

• Bitwise OR (|)

• Bitwise NOT (~)

• Bitwise XOR (^)

• Bitwise AND (&)

What is the ASCII code for the letter 'A'?

• 65

• 64

• 67

• 66

What is the Unicode code point for the heart symbol ❤️?

• U+2665

• U+1F60D

• U+2765

• U+2764

What is the maximum value that can be represented with 8 bits?

• 255

• 128

• 512

• 1024

Convert the hexadecimal number 2F to binary.

• 11001111

• 10101111

• 00101011

• 00101111

What bitwise operation is used to toggle a bit?

• ^

• |

• ~

• &