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LO1: Understand Computer Hardware

Total questions: 78

Worksheet time: 37mins

Name
Class
Date
1.
Which type of device is a monitor:
a)
Output Device
b)
Storage Device
c)
Input Device
2.

You can use this to input printed documents to a computer ?

a)

Trackerball

b)

Scanner

c)

Keyboard

d)

Mouse

3.
Headphone
a)
Input
b)
Output
c)
Storage
4.

Is this device Input or Output?

Printer

a)

Input

b)

Output

5.
Is this device Input or Output?
Keyboard
a)
Input
b)
Output
6.
Is this device Input or Output?
Mouse
a)
Input
b)
Output
7.
Is this device Input or Output?
Projector
a)
Input
b)
Output
8.
Is this device Input or Output?
Speaker
a)
Input
b)
Output
9.

Is it an input or output device?

a)

Input

b)

Output

c)

Input and Output

d)

I don't know

10.

Choose the input devices.

a)

mouse, keyboard, headphones

b)

mouse, printer, headphones

c)

mouse, keyboard, speakers

d)

mouse, keyboard, smartboard

11.
Is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
a)
USB
b)
ROM
c)
CPU
d)
UPS
12.
A computer memory that acts as the main storage available to user for programs and data
a)
RAM
b)
URL
c)
ROM
d)
flash drive
13.
Is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
a)
RAM
b)
Hard Disk
c)
DVD
d)
ROM
14.
Is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system
a)
Video Card
b)
Sound Card
c)
Motherboard
d)
Network Card
15.
Is an electrical device that supplies electric power to an electrical load. The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load.
a)
USB
b)

CPU

c)
RAM
d)
Power Supply
16.
Is an expansion card which generates a feed of output images to a display. Frequently, these are advertised as discrete or dedicated graphics cards, emphasizing the distinction between these and integrated graphics.
a)
Graphic Card
b)
Sound Card
c)
TV Card
d)
Network Card
17.
What happens to data in Main Memory/RAM when we switch the power off?
a)
All data is lost
b)
All data is saved
c)
All data is backed up to the Hard Drive
d)
All data is saved to the Processor
18.
True or False: Computers often need fans to stop them overheating
a)
True
b)
False
19.
True or False: All computer components need to connect to the Motherboard
a)
True
b)
False
20.
What are these?
a)
Tower
b)
Motherboard
c)
Harddrive
d)
RAM memory
21.
What is this?
a)
Harddrive
b)
Tower
c)
Motherboard
d)
DVD
22.
What are the physical components of a computer system called?
a)
Hardware
b)
Desktop
c)
Devices
d)
Peripherals
23.
What are the programs that run on a computer system called? 
a)
Algorithms
b)
Code
c)
Software
d)
Languages
24.
Identify this computer part.
a)
CPU
b)
hard disk drive
c)
RAM module
d)
motherboard
25.

Where the operating system, programs and data are permanently stored is called what?

a)

Primary Storage

b)

Secondary Storage

c)

Tertiary Storage

d)

Backup

26.

Which component of the computer, stores the data and programs which the computer is CURRENTLY using?

a)

Primary Storage (RAM)

b)

Secondary Storage (HDD/SSD)

c)

CPU

d)

Motherboard

27.
How do we measure Processor Speed?
a)
Gigahertz
b)
Gigahurts
c)
Gigabytes
d)
Giga-burgers
28.
The performance of which three components is most important in a Gaming computer?
a)
CPU, RAM, Graphics Card
b)
RAM, Hard Disk Drive, CPU
c)
Hard Disk Drive, BIOS, Monitor
d)
Motherboard, USB Socket, 
29.
True or False: Solid State Hard Drives are faster than Hard Disk Drives
a)
True
b)
False
30.

Microwaves, washing machine, medical equipment, cameras, toys and airplanes are some of the appliances/ machines which uses the list above.

a)

Personal Digital Assistants

b)

Embedded Computers

c)

Micro Computers

d)

Wearable Computers

31.

A computer that is designed to be used on a desk or table.

a)

Laptop

b)

Tablet

c)

Desktop computer

d)

Netbook

32.

A data processing system employed mainly in large organizations for various applications, including bulk data processing, process control, industry and consumer statistics,

a)

Mainframe

b)

Workstation

c)

Desktop computer

d)

Server

33.

what am I?

a)

Desktop PC

b)

Mainframe/server

c)

Laptop

d)

Smart Phone

34.
UTP copper cabling will provide the network with better resistance to interference than STP
a)
True
b)
False
35.
Which connectivity method is the oldest?
a)
Copper Cabling
b)
Fibre Optic
c)
Wireless
36.
Bluetooth has a range of over 100m for sending data
a)
True
b)
False
37.
Which wireless method relies on line of sight?
a)
Infrared
b)
Bluetooth
c)
Wi-Fi
38.
Fibre Optic cables send data in the form of light
a)
True
b)
False
39.
Copper cables send data in the form of light
a)
True
b)
False
40.
The main disadvantage of using fibre optic is the
a)
Speed
b)
Cost
c)
Availability
41.
The main advantage of using fibre optic is the
a)
Speed
b)
Cost
c)
Availability
42.
Which of these is not a type of copper cabling?
a)
STP
b)
UTP
c)
Coaxial
d)
TCP
43.
What are Fiber Optics?
a)
Thin, flexible fibers of glass
b)
Flexible fibers of glass
c)
Thin fibers of glass
d)
Those glow toys
44.
How do Fiber Optics work?
a)
By connecting and transferring energy
b)
By remitting and subtracting power from other fiber optics
c)
By using light pulses to transfer data
d)
By converting sound waves in to binary code
45.

The advantage of fibre optic cables over copper cables is

a)

Fibre optics are not preferred as they are slow

b)

Fibre optics are preferred as they transmit data faster as compared to copper cables

c)

Cellular networks are preferred

46.
This device performs a lot of processing to filter and readdress network packets:
a)
Router
b)
Hub
c)
Switch
d)
Modem
47.
The following device is not very intelligent but allows computers to form a segment of a network:
a)
Hub
b)
Router
c)
Modem
d)
NIC
48.
Wired networks are faster than wireless.
a)
True
b)
False
49.
Firewall makes sure the packets are sent to the right destination and protects them while they are on their way.
a)
False
b)
True
50.
The following device assigns unique IP addresses to computers on a LAN:
a)
Router
b)
Gateway
c)
Firewall
d)
Hub
51.
Which of the following locates resources on the internet?
a)
IP addresses
b)
Computer names
c)
WPA codes
52.
The internet allways sends traffic along the shortest possible path.
a)
False
b)
True
53.
If 2 computers try to send data packets at the same time there could be a ...
a)
Disaster
b)
Crash
c)
Collision
d)
Conflict
54.
What is data split into before it is sent?
a)
Packets
b)
Sections
c)
Pieces
d)
Segments
55.

Enables devices to connect to a wireless network to communicate with each other

a)

Wireless Access Point

b)

Network Interface Card

c)

Switch

d)

Server

56.

Cables made of copper wires that are twisted around each other and are surrounded by a plastic jacket.

a)

Twisted Pair cable

b)

Fibre Optic Cable

c)

WiFi

57.

A device that connects your network to the Internet.

a)

Modem

b)

NIC

c)

Switch

d)

Hub

58.

A computer that requests data stored on a server.

a)

Client

b)

Server

c)

Hub

d)

PC

59.
The binary digits 0 and 1 are each called a bit.
a)
True
b)
False
60.
A group of 8 bits is known as a gigabyte.
a)
True
b)
False
61.
A group of 1024 kilobytes is called a megabyte.
a)
True
b)
False
62.

The only two digits used in the binary number system are _______.

a)

1 and 2

b)

0 and 1

c)

0 and 2

d)

2 and 3

63.

How many bits are in a single byte?

a)

4

b)

8

c)

12

d)

16

64.

One ____________ is approximately 1,000 bytes.

a)

terabyte

b)

gigabyte

c)

megabyte

d)

kilobyte

65.

One ____________ is about 1 million bytes.

a)

terabyte

b)

gigabyte

c)

megabyte

d)

kilobyte

66.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
67.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
68.

Which of these are the correct place values for binary?

a)

128,64,32,16,8,4,2,1

b)

128, 68,34,12,6,4,2,1

c)

1,0

d)

0,1

69.

Convert this binary code to decimal: 00101110

a)

52

b)

50

c)

46

d)

34

70.

Which of these is the smallest?

a)

MB

b)

KB

c)

GB

d)

TB

71.
The following is a correct order of units of storage from lowest to highest:
a)
a bit, a nibble, a byte, a kilobyte, a megabyte, a gigabyte, a terabyte
b)
a bit, a byte, a nibble, a kilobyte, a megabyte, a gigabyte, a terabyte
c)
a bit, a nibble, a byte, a megabyte, a kilobyte, a gigabyte, a terabyte
d)
a byte, a bit, a nibble, a megabyte, a kilobyte, a gigabyte, a terabyte
72.

What is B in denary

a)

10

b)

11

c)

12

d)

13

73.

What is E in denary

a)

10

b)

12

c)

14

d)

16

74.

15 in denary is what in Hex?

a)

A

b)

B

c)

E

d)

F

75.

What is A in binary

a)

1111

b)

0101

c)

1010

d)

0110

76.

What is D in binary

a)

1111

b)

1101

c)

1011

d)

0111

77.

Why is hexadecimal used by humans

a)

It is easier to read

b)

it takes up less space on the page/screen

c)

it is easier to remember

d)

It is easier to type

e)

It saves space on the computer

78.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100

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