Data Representation Assessment

What is the base of the binary number system?

• 10

• 2

• 8

• 16

Convert the binary number 1010 to decimal.

• 1111

• 1100

• 10

• 101

What is the base of the hexadecimal number system?

• 10

• 16

• 12

• 8

Convert the hexadecimal number 1A to decimal.

• 16

• 30

• 22

• 26

How is data represented in computers?

• Data in computers is represented using binary code.

• Data in computers is represented using ASCII code.

• Data in computers is represented using hexadecimal code.

• Data in computers is represented using Morse code.

Explain the concept of bitwise operations.

• Bitwise operations involve physical exercise routines

• Bitwise operations are used to perform operations at the bit level, which can be useful in tasks like data encryption, compression, and device driver programming.

• Bitwise operations are related to astrology predictions

• Bitwise operations are used for cooking recipes

What is ASCII encoding used for?

• ASCII encoding is used to represent text in computers.

• ASCII encoding is used for image compression

• ASCII encoding is used for video streaming

• ASCII encoding is used for audio encoding

What is the difference between ASCII and Unicode?

• ASCII is used for text encoding, while Unicode is used for image encoding.

• Unicode is a subset of ASCII.

• ASCII and Unicode both use the same number of bits to represent characters.

• ASCII uses 7 bits to represent characters, while Unicode uses 8, 16, or 32 bits.

Perform a bitwise AND operation on the binary numbers 1010 and 1100.

• 0101

• 1110

• 1011

• 1000

Perform a bitwise OR operation on the binary numbers 1010 and 1100.

• 0011

• 1000

• 0101

• 1110