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Computer Science - Storage, Networking and DR Flashcards | StudBud
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Computer Science - Storage, Networking and DR
Computer Science - Storage, Networking and DR
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Questions
40
Answers
1
What number system has letters from the alphabet in it?
Base 8
Base 10
Base 2
Base 16
2
Sample rate affects quality of audio recordings. What other aspect of digital audio recording will affect quality?
Bit Rate
Bit tricky
Bit number
Bit Depth
3
16 bits is how many Bytes?
3
0.5
1
2
4
A Petabyte is 1,000 Terabytes
False
True
5
There are two main types of primary storage, they are:
Magnetic & Solid State
Cache & Control Unit
RAM & ROM
Hard Drive & Flash Drive
6
Bob goes to his local
robot
farmer to replenish his apples. He wants 46 apples, but he has to give his amount in binary
0001 1110
0010 1110
0010 1010
0011 1110
7
To allow wireless devices to connect to my network, I must have:
A WAP
A LAN
A WAN
A NAP
8
Extended ASCII makes use of an additional bit to allow enough storage for what?
European characters
Japanese characters
Mathematical Symbols
Emojis
9
RAM is volatile
False
True
10
You can download the whole of the internet onto your computer.
True
False
11
Image size = Resolution *
Bit Depth
. How many bits are needed to store four colours?
1
3
4
2
12
In a digital audio recording, the amount of samples taken every second is known as the:
Free Sample
Sample Rate
Sample Size
Sample number
13
RAM and ROM will have instructions stored in them. What language will these instructions be in?
English
Machine Code
Special ROM Language
Special RAM Language
14
What is an Array?
A variable
A single unit of data
A collection of news articles
A list of data
15
The file size of an image can be calculated if you know the resolution. What does resolution mean?
The amount of pixels in an image
The amount of quality in an image
The size of the image
How nice an image is to look at
16
10.0 would be categorised as what data type?
Integer
String
Float
Flout
17
How many bits are in a Kilobyte?
8 Thousand
16 Thousand
4 Thousand
10 Thousand
18
To record a sound digitally, a computer must do what?
Take samples of the amplitude of the sound wave
It cannot be done
Take samples of the bit rate of the recording
Download the sound to the mainframe
19
How many Bytes are in a Megabyte?
1 Billion
1 Hundred
1 Thousand
1 Million
20
ASCII is a character set. How many bits are used to represent each character?
8
6
7
9
21
Unicode can represent all of the world's languages with room to spare. How many bits does it use to do this?
9
16
10
15
22
Star topology has a central node, which all devices have their own connection to.
False
True
23
An IP address is made of four numbers. What is the range that each of those numbers can be between?
0 - 128
0 - 256
0 - 127
0 - 255
24
"
FOR
i = 0
TO
100" is an example of what programming concept?
Iteration
Sequence
Decomposition
Selection
25
DNS is the reason we don't have to:
Connect to the internet using cables any more
Remember the IP addresses of web servers
Remember the names of websites
Go to school any more
26
What is a character set?
A way of representing text on computers.
A collection of characters
ASCII
A way of storing data in a program
27
What is the Purpose of ROM?
Short Term Memory that stores data currently being used
Short Term Memory that stores data about to be used.
Long Term Memory which stores permanent data and can NOT be edited
Long Term Memory which stores permanent data but CAN be edited
28
What is the purpose of RAM?
It controls the operations of the computer
It processes the data
It is a place where programs and data are temporarily stored
It turns the computer on
29
How many Bytes are in a Kilobyte?
1 Hundred
1 Billion
1 Million
1 Thousand
30
Binary is a "Base 2" number system.
True
False
31
A Local Area Network is described as:
Covers a small geographical area, where all devices are connected.
A network that you are in control of
Covers a large geographical area, computers are wireless
LAN
32
Bit rate = Sample Rate * Bit Depth * Channels. || File size = Bit rate *
what
?
Duration
Capacity
8
1000
33
What does topology mean?
The arrangement of a system
The shape of something
The protocol the internet uses
The study of tops
34
Bob has 26 apples. A passing Alpaca eats 16 of them. What is the Hexadecimal number of the remaining Apples?
B
10
16
A
35
Computers only truly understand binary
False
True
36
"
IF
something
ELSE
another thing" is an example of what programming concept?
Iteration
Sequence
Commenting
Selection
37
You have studied two Models for how computers can be arranged in a network. They are:
Client-Server & Peer-to-Peer
Peer-Peer & Client-to-Server
Client-Peer & Server-to-Server
Peer-Server & Client-to-Client
38
This question is using Boolean data types as its possible answers.
False
True
39
A MAC address is unique to your
N
etwork
I
nterface
C
ard. What devices have
NIC
s?
All digital devices
All computers
Only mobile phones
All networkable devices
40
What is the name of another network topology?
Mainframe
Unix
Binary
Mesh
