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CSD Unit 5, Chapter 1 Review

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

I , in the I-O-S-P model , refers to:

a)

introduce

b)

input

c)

important

d)

images

2.

O , in the I-O-S-P model , refers to:

a)

open

b)

official

c)

output

d)

outside

3.

S , in the I-O-S-P model , refers to:

a)

storage

b)

save

c)

source

d)

sound

4.

P , in the I-O-S-P model , refers to:

a)

pictures

b)

prepare

c)

purpose

d)

processing

5.

A method that you use to do something is called:

a)

encrypt

b)

binary

c)

decrypt

d)

algorithm

6.

To change information so that its hidden meaning is shown is called:

a)

encode

b)

decode

c)

decrypt

d)

algorithm

7.

The code that you use when encrypting / decrypting data is called:

a)

ASCII

b)

pixel

c)

data

d)

key

8.

Information that has been collected to help us answer a question or solve a problem is called:

a)

ASCII

b)

pixel

c)

data

d)

key

9.

To change how information is represented so that it can be read by a computer is called:

a)

encode

b)

decode

c)

encrypt

d)

decrypt

10.

The single unit of information in a computer, typically represented as a 0 or 1 is called:

a)

ASCII

b)

pixel

c)

data

d)

bit

11.

To change information so that its meaning is hidden is called:

a)

encrypt

b)

encode

c)

decrypt

d)

decode

12.

The universally recognized raw text format that any computer can understand is called:

a)

ASCII

b)

pixel

c)

bit

d)

key

13.

A way of representing information using only two possible options is called:

a)

encrypt

b)

binary

c)

decrypt

d)

algorithm

14.

To change how information is represented so that it can be read by a person is called:

a)

encode

b)

decode

c)

encrypt

d)

decrypt

15.

The fundamental unit of a digital image, typically a tiny square or dot in a larger image is called:

a)

ASCII

b)

pixel

c)

data

d)

key

16.

Binary systems for computers are written using the symbol ____ to represent ON.

a)

1

b)

0

c)

+

d)

-

17.

Binary systems for computers are written using the symbol ____ to represent OFF.

a)

1

b)

0

c)

+

d)

-

18.

What is the next BINARY place value: __ - 4 - 2 - 1

a)

6

b)

8

c)

5

d)

12

19.

What is the next BINARY place value: __ - 8 - 4 - 2 - 1

a)

10

b)

14

c)

12

d)

16

20.

What is the value of the following binary number if converted into decimal: 10110

a)

20

b)

15

c)

22

d)

16

21.

What is the value of the following binary number if converted into decimal: 01100

a)

9

b)

17

c)

14

d)

12

22.

What is the value of the following binary number if converted into decimal: 010010

a)

27

b)

31

c)

18

d)

47

23.

What is the following decimal number converted into binary: 29

a)

100010

b)

011101

c)

100100

d)

011001

24.

What is the following decimal number converted into binary: 51

a)

100110

b)

111101

c)

110011

d)

011111

25.

What is the following decimal number converted into binary: 11

a)

001010

b)

011001

c)

001110

d)

001011