Digital Information Unit 2 Quiz Practice

Digital information refers to data that is represented and processed in ________

• analog format

• digital format

• bytes

• bits

All of the following are examples of how binary representation relates to a computer system.

(select all that apply)

• uses discrete values instead of analog representation

• digital information can be stored, manipulated and transmitted easily

• binary doesn't help a computer system in anyway, it's just a bunch of 0 and 1's

• binary forms the bases on how a computer is encoded

How is 15 represented as a binary number?

(work your problem on a sheet of paper if you need to)

What is the correct order of the subscripts:

Hexadecimal, binary, decimal

All digital information is represented using ______

What is an overflow error in numeric representations?

• It's a logic error that causes incorrect results due to a wrong algorithm.

• It happens when a program's runtime exceeds a certain limit.

• It occurs when a calculation results in a value that's too large to be stored within a given data type.

• It occurs when a program has too many syntax errors.

What 158 as a hexadecimal number?
(work your problem on a sheet of paper if you need to)

What is the point of binary?

• It represents how computers interpret electrical signals
• Because we like to make you do extra maths ;-D
• For the lulz
• Because it describes star systems

What is the other name for 'binary digit'?

• Word

• Bit

• Nibble

• Byte

What is 4C as a decimal number?

(work the problem on a sheet of paper if you need to)