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[AP CSP] Unit 1: PC Components, Logic Gates, Number Systems

Total questions: 50

Worksheet time: 3hrs 35mins

Name
Class
Date
1.

Which one of these is a hard drive?

a)
b)
c)
d)
2.

Which one out of these images is a video card?

a)
b)
c)
d)
3.

What is the MAIN function of the motherboard?

a)

Helps connect to the internet

b)

Carry out processing and delivery of data

c)

Convert signals to sound

d)

Allows computer components to communicate with each other

4.

Which of the following images is a CPU?

a)
b)
c)
d)
5.

What is NOT an example of an output peripheral?

a)
b)
c)
d)
6.

What is the difference between the HDD and RAM?

a)

HDD is mainly used for short term data storage whereas RAM is mainly used for long term/permanent data storage

b)

HDD and RAM are the same thing

c)

HDD is used to convert images into information whereas RAM is used to convert sound into information

d)

RAM is mainly used for short term data storage whereas HDD is mainly used for long term/permanent data storage

7.

Select all the output devices:

a)
b)
c)
d)
e)
8.

Select all input devices:

a)
b)
c)
d)
e)
9.

What does SSD stand for?

a)

Small Slave Drive

b)

Solid State Drive

c)

Subzone State Drive

d)

Super Speedy Drive

10.

Random Access Memory (RAM)

a)

memory available for the operating system, programs and processes to use when the computer is running.

b)

requires the computer to be turned on in order to retain data

c)

The data in RAM is not permanently written (volatile memory)

d)

All of the above

11.

What does CPU stand for?

a)

Central Processing Unit

b)

Computer Processing Utility

c)

Computing Part Unit

d)

Core Processing Unit

12.
What are the physical components of a computer system called?
a)
Hardware
b)
Desktop
c)
Devices
d)
Peripherals
13.

What are these?

a)

Hard Drives

b)

Towers

c)

Motherboards

d)

CPU Chips

14.

Which of these values represent the largest storage for a Hard Drive?

a)

2.0 TB

b)

10.0 GB

c)

3000 GB

d)

40,000 KB

15.

Which is true about Random Access Memory (RAM)?

a)

Contains volatile data that is erased when a PC power is loss

b)

Serves as permanent storage for PC

c)

It stores cookies from websites that the user browses on

d)

It CANNOT be upgraded on a PC build

16.

The clock speed measures the number of cycles your CPU executes per second, is measured in...

a)

gigahertz (GHz)

b)

terabytes (TBs)

c)

gigabytes (GBs)

d)

milliseconds (ms)

17.

Which of these PC components should you upgrade to output better video quality?

a)

GPU

b)

CPU

c)

RAM

d)

SSD

18.

What does OS stand for?

a)

Operating Systems

b)

Obsolete System

c)

Operations Storage

d)

Occupancy Storage

19.
What are the programs that run on a computer system called? 
a)
Algorithms
b)
Code
c)
Software
d)
Languages
20.

12 in base-10 is what in Hex?

a)

A

b)

B

c)

C

d)

D

21.

15 in base-10 is what in Hex?

a)

A

b)

B

c)

E

d)

F

22.

A in base-16 is what in binary?

a)

1111

b)

0101

c)

1010

d)

0110

23.

1011 in base-2 is what in Hex?

a)

B

b)

C

c)

D

d)

E

24.

D in base-16 is what in binary?

a)

1111

b)

1101

c)

1011

d)

0111

25.

Convert the Hex number DA to binary.

a)

1100 1010

b)

1101 1011

c)

1101 1010

d)

1101 1110

26.

Convert the Hex number B9 to binary.

a)

1011 1001

b)

1011 1000

c)

1011 1101

d)

1010 1001

27.

Convert the Hex number 1F to binary.

a)

0011 1111

b)

0000 1111

c)

0001 0111

d)

0001 1111

28.

Which of these is equivalent to the Hex number 1A?

a)

16 + 8 + 2

b)

8 + 4 + 2

c)

16 + 8 + 1

d)

16 + 8 + 4

29.

Convert the Hex number 93 to decimal.

a)

39

b)

132

c)

147

d)

150

30.

Convert the binary number 0101 0101 to Hex.

a)

44

b)

55

c)

66

d)

77

31.

Convert the binary number 1010 1011 to Hex.

a)

AB

b)

BC

c)

CD

d)

9A

32.

Convert the binary number 1100 0011 to Hex.

a)

11

b)

A2

c)

C3

d)

D4

33.

Convert the binary number 1101 0110 to Hex.

a)

A3

b)

B4

c)

C5

d)

D6

34.

Convert the binary number 1110 1011 to Hex.

a)

EA

b)

EB

c)

BA

d)

BC

35.

The highest digit in Hexadecimal is ________________.

a)

15

b)

14

c)

E

d)

F

36.

The highest digit in Octal is _________.

a)

7

b)

6

c)

5

d)

4

37.

2 Hexadecimal digits represents....

a)

1 Byte in data

b)

1 Bit of data

c)

8 bits of data

d)

2 nybbles of binary values

38.

Convert 1111 1111 to decimal

a)

255

b)

256

c)

201

d)

225

39.

Convert 0010 0100 to decimal

a)

26

b)

36

c)

46

d)

56

40.

Convert 0100 0100 to decimal

a)

58

b)

68

c)

78

d)

88

41.

How many possible numbers can be represented with 1 Byte?

a)

255

b)

256

c)

128

d)

129

42.
What is the point of binary?
a)
It represents how computers interpret electrical signals
b)
Because we like to make you do extra maths ;-D
c)
For the lulz
d)
Because it describes star systems
43.

Which is equivalent to the binary number: 0010 1011 ?

a)

16 + 8 + 2 + 1

b)

64 + 16 + 4 + 2

c)

16 + 4 + 1 + 0

d)

32 + 8 + 2 + 1

44.

Which is equivalent to the binary number: 1010 1000 ?

a)

256 + 32 + 8

b)

128 + 64 + 16

c)

256 + 64 + 16

d)

128 + 32 + 8

45.
What gate is this table for?
a)
AND
b)
OR
c)
NOT
d)
NOR
46.

The truth table is for

a)

NAND gate

b)

AND gate

c)

NOR gate

d)

OR gate

47.
What kind of gate does this Truth Table represent?
a)
AND
b)
NOT
c)
OR
d)
NAND
48.

Which truth table is correct for this logic gate?

a)
b)
c)
d)
e)
49.

If the input values are A = 1, B = 0, C = 0, D = 1, what would be the result at output F and G, respectively?

a)

Output F = 0, Output G = 0

b)

Output F = 0, Output G = 1

c)

Output F = 1, Output G = 0

d)

Output F = 1, Output G = 1

50.

What is Boolean expression that would represent this Logic Gate Diagram?

a)

¬(A | B) & C

b)

¬((A | B) & C)

c)

¬((A | B) & ¬C)

d)

(A | B) & C

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