CSP Unit 1 Review

What's the relationship between a byte and a bit?

• 8 bytes in a bit

• 4 bits in a byte

• 10 bytes is a bit

• 8 bits in a byte

Computers store information in bits, or binary digits. Which of the following could be represented in bits?

• Numbers

• Text

• Images

• Sounds

• All of the above

Creating simplified representations of something more complex is called:

• obstruction

• abstraction

• substitution

• flippy-do

What is 0011 0100 in decimal form?

• 52

• 28

• 100

• 60

What is 226 in binary?

• 1111 0010

• 1100 1100

• 1110 0110

• 1110 0010

Is 0000 1100 equivalent to 1100 in binary?

• Yes

• No

How many bits do you need to make 21 in binary?

• 3

• 4

• 5

• 6

Can you make 34 with 5 bits?

• Yes

• No

Which is true about 3 bits?

• The highest number you can reach is 8, giving you 9 numbers (0-8)

• The highest number you can reach is 7, giving you 8 numbers (0-7)

• The highest number you can reach is 8, giving you 8 numbers (0-7)

• The highest number you can reach is 7, giving you 7 numbers (0-7)

Which is true about analog vs digital?

• Analog is data with values that change continuously, or smoothly, over time while digital is has a finite set of possible values

• Analog has a finite set of possible data values while digital has data values that change continuously, or smoothly, over time