Understanding Digital Data

What did early people use to store data about important events?

• Cave paintings and carvings.

• Stone tablets with inscriptions

• Digital databases

• Written records on papyrus

What is digital data?

• Digital data is information stored in a binary format that can be processed by computers.

• Digital data is exclusively audio and video files.

• Digital data refers to information that cannot be processed by computers.

• Digital data is only found in physical storage devices.

What two digits are used in the binary number system?

• 0, 1

• X, Y

• A, B

• 2, 3

How many digits are in the decimal number system?

• 10

• 8

• 5

• 12

What is a bit?

• A bit is a type of computer virus.

• A bit is a programming language.

• A bit is a binary digit, either 0 or 1.

• A bit is a unit of measurement for weight.

What is a byte?

• A byte is a unit of digital information consisting of 8 bits.

• A byte is a type of computer hardware.

• A byte is a unit of digital information consisting of 16 bits.

• A byte is a measurement of data transfer speed.

What does the binary number 00000000 represent?

• 1

• 255

• -1

• 0

What is the result of 0 + 1 in binary?

• 1

• 0

• 10

• 1.0

What is the result of 1 + 1 in binary?

• 2

• 10

• 11

• 01

What happens when you add 1 + 1 + 1 in binary?

• 111

• 10

• 12

• 11