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Crash Course Computer Science

Total questions: 70

Worksheet time: 1hrs 12mins

Name
Class
Date
1.
What are the physical components of a computer system called?
a)
Hardware
b)
Desktop
c)
Devices
d)
Peripherals
2.
What are the programs that run on a computer system called? 
a)
Algorithms
b)
Code
c)
Software
d)
Languages
3.
What is the name of the chip inside the computer that processes information?
a)
Random Access Memory
b)
Central Processing Unit
c)
Read Only Memory
d)
Motherboard
4.
What are the chips inside a computer that temporarily hold all the programs and data currently being used?
a)
Random Access Memory (RAM)
b)
Read Only Memory (ROM)
c)
Hard Disk
d)
Hard Drive
5.

How Many Megabytes Are in 1 Gigabyte

a)

1

b)

132

c)

1000

d)

1024

6.
The most widely used operating system for personal computers is ________.
a)
Mac OS X
b)
Facebook
c)
Microsoft Windows
d)
Ubuntu Linux
7.
The main circuit board in a computer is called the ________.
a)
RAM
b)
dongle
c)
motherboard
d)
 power supply unit
8.
mobile operating system developed by Apple
a)
AOS
b)
EOS
c)
UOS
d)
IOS
9.
Which of the following companies is known for manufacturing computer processors?
a)
CPU
b)
Intel
c)
Sony
d)
Corel
10.
In order to connect your computer to the Internet with a modem, your computer will have to have a(n) ________ port
a)
HDMI
b)
USB
c)
Headphone
d)
Ethernet
11.
An operating system is an example of computer _________.
a)
software
b)
hardware
12.
An example of the computer's hardware would be ...
a)
MS Word
b)
MS Publisher
c)
Keyboard
13.
A printer is _______.
a)
input
b)
output
14.
A scanner is _______.
a)
input
b)
output
15.
Programs that are digital and you cannot physically touch. They give instruction to the computer.
a)
keyboard
b)
mother board
c)
hardware
d)
software
16.
The CPU is called the _______________ of the computer.
a)
arm
b)
mother
c)
brains
d)
leg
17.
What does the hard drive do?
a)
Stores information temporarily 
b)
Gives Instructions
c)
Stores information permanently 
d)
Drives through the computer
18.
What does RAM stand for?
a)
Random Accurate Maps
b)
Really Awesome Memory
c)
Read Only Memory
d)
Random Access Memory
19.
RAM is what kind of memory?
a)
Permanant
b)
Forever
c)
Slow
d)
Temporary
20.
CPU stands for:
a)
a. Computer Power Unit
b)
b. Central Processing Unit
c)
c. Command Processing Universal
d)
d. Communication Port Unit
21.

Flash drives

a)

OUTPUT

b)

INPUT

c)

STORAGE

22.

Which of the following is An operating system for a Chromebook:

a)

ios

b)

google

c)

Chrome OS

d)

apple osx

23.
What storage loses its data every time the computer is turned off?
a)
RAM
b)
ROM
c)
CPU
d)
Motherboard
24.
Where does all of the computer's processing go through?
a)
CPU
b)
RAM
c)
ROM
d)
MOTHERBOARD
25.
Keyboard, Mouse, Scanner, Microphone are what types of devices?
a)
INPUT
b)
HARDWARE
c)
OUTPUT
d)
SOFTWARE
26.

Identify all the operating systems

a)

iOS

b)

PowerPoint

c)

Android

d)

McAfee

e)

macOS

27.

The operating system is responsible for

a)

managing the CPU

b)

managing memory

c)

providing an interface to the user

d)

all of these

28.
Which of these is not a task of the Operating System?
a)
Writing information to files
b)
Opening, closing and moving windows on the screen
c)
Word processing
d)
Sending information about mouse clicks to an application
29.
Which of the following is not a type of systems software?
a)
Device Drivers
b)
Utility Programs
c)
Applications
d)
Operating Systems
30.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
31.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
32.
Convert 254 to binary
a)
11110000
b)
11111100
c)
11111111
d)
11111110
33.

Convert 198 to binary

a)

11000110

b)

11100100

c)

11000110

d)

11010100

34.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
35.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
36.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
37.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
38.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
39.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
40.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
41.
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
42.
What is 1011 in denary?
a)
11
b)
14
c)
26
d)
1011
43.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
44.
A blank space represented as binary code is...
a)
0010 0000
b)
0000 0001
c)
0000 0010
d)
0111 1111
45.
A gigabyte consists of 1024:
a)
megabytes
b)
terabytes
c)
kilobytes
d)
nibbles
46.
The most fundamental unit of computer data storage is:
a)
a byte
b)
a megabyte
c)
a bit
d)
a gigabyte
47.

The following is a correct order of units of storage from lowest to highest:

a)

a bit, a byte, a kilobyte, a megabyte, a gigabyte, a terabyte

b)

a bit, a byte, a petabyte a kilobyte, a megabyte, a gigabyte, a terabyte

c)

a bit, 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

48.

10011101 is an example of a

a)

byte

b)

kilobyte

c)

nibble

d)

megabyte

49.

1s and 0s represent state changes within

a)

switches inside the computer

b)

the em flux of the network

c)

the mainframe

d)

the ssid of a local gateway

50.

1 Gigabyte is

a)

1024*1024*1024 bytes

b)

1024*1024 bytes

c)

1024 bytes

d)

1024*1024*1024*1024 bytes

51.
Two devices are in network if:
a)
a process in one device is able to exchange information with a process in another device
b)
a process is running on both devices
c)
PIDs of the processes running of different devices are same
d)
none of the mentioned
52.

A collection of computers that are connected either via cable or wireless is called a ______

a)

Network

b)

LAN

c)

WAN

d)

HAN

53.

A network connecting computers in a small area, such as a school, is known as a _________

a)

LAN

b)

WAN

54.

Which network covers the smallest geographic area?

a)

Personal Area Network

b)

Wide Area Network

c)

Local Area Network

55.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
56.
What coding would be used to define a header cell in an HTML table
a)
<th>Month</th>
b)
<td>Month</td>
c)
<h1>Month</h1>
d)
<h2>Month</h2>
57.
HTML stands for?
a)
HammersTend To Mostly Lose
b)
HypoText Madeup Language
c)
HyperText Markup Langauge
58.
What does the <p> tag do?
a)
Creates preformatted text
b)
places a picture in the website
c)
creates a paragraph break
59.
Which is NOT a web browser?
a)
Chrome
b)
Internet explorer
c)
FireFox
d)
Yahoo
60.
which tag will create the largest heading
a)
<h6>
b)
<h4>
c)
<h2>
d)
<h3>
61.
Which of the following is the largest heading? 
a)
H2
b)
H3
c)
H4
d)
H6
62.
The content of the web (such as your pictures, text, links) will show up here. 
a)
Head
b)
Body
c)
Style
d)
Folder
63.

Which of these tags is not one of the basic document tags every web page begins with?

a)

<html>

b)

<head>

c)

<title>

d)

<body>

e)

<h2>

64.
What is the Internet?
a)
Collection of Computers that are connected
b)
Collection of free time passed from one computer to another
c)
Web pages that are linked together
d)
Collection of data kept so that we can be spied on
65.
The HTML code:
<LI> </LI>  means what?
a)
Tab Title
b)
The title for Document
c)
Paragraph
d)
Starts a Item List
66.
To open your HTML web page, you need to save the extension as?
a)
.jpg
b)
.html
c)
.nix
d)
.psd
67.

How many applications can be processed by the CPU at a time?

a)

1

b)

2

c)

3

d)

Several

68.
How is our number system different from the binary system?
a)
Our number system is base-5; the binary system is base-3
b)
Our number system is base-10; the binary system is base-2
c)
Our number system is base-10; the binary system is base-1
d)
Our number system is base 100; the binary system is base-2
69.
Which of the following devices uses binary code?
a)
Calculator
b)
Train
c)
Typewriter
d)
Sewing Machine
70.
Convert 254 to binary
a)
11110000
b)
11111100
c)
11111111
d)
11111110

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