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Year 9 Unit 1 Exam prep Flashcards | StudBud
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Year 9 Unit 1 Exam prep
Year 9 Unit 1 Exam prep
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#computer systems
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
Using Run length encoding, compress the following: AAAABAAYYYYY
6A1B5Y
5A1B2A6Y
6AB5Y
4A1B2A5Y
2
A SD card is an example of what type of memory?
A memory stick
A solid state drive
Flash memory
Magnetic memory
3
Virtual memory is....
When the HDD is used as additional ram
Another name for RAM
Something made up in science fiction books
Used when playing a virtual reality game
4
Ram is needed because...
The computer needs more memory
A HDD is not fast enough to feed data into the CPU
it is really awesome
designers like to make computers complicated
5
The CPU will deal with processing every task you carry out on a computer.
False
True
6
CPU stands for...
Central Providing Unit
Central Processing Unit
Central Polarity Unit
Central Place Unit
7
A computer network can be described as.....
two or more computers connected together to communicate.
100 or more computers connected together to communicate.
three or more computers connected together to communicate.
ten or more computers connected together to communicate.
8
What is an Example of a Peripheral?
A Motherboard
A Computer
Google
A Keyboard
9
What is the function of the BIOS
to save data before shutting down
to help the computer load color profiles
to help the computer read what is on the hard drive
help the computer boot including scheduling tasks & controlling peripherals
10
What 3 things must a computer system do?
Input, Calculate, Output
Calculate, Process, Output
Input, Process, Output
Input, Process, Open
11
What does device driver software do?
Handles requests & data transfers between computer & device
Get me a coffee
Used to install new software applications onto your computer
Holds documents that are waiting to be printed
12
A graphics card is designed to...
support the CPU
add more memory
replace the CPU
look cool
13
RAM stands for...
Random Access Memory
Random Address Memory
Really Awesome Memory
Random Access Mode
14
What happens if the RAM runs out of space?
The computer will slow down
The computer will explode
Nothing
The computer will speed up
15
RAM is also known as
Main memory
Memory card
Key memory
Awesome memory
16
What system does a computer use then it boots up?
Basic Input Output System
The Coffee System
Start Up System
Building Input Output System
17
A hard drive (HDD) uses magnetic storage.
True
False
18
What does BIOS mean?
Basic Input Outage System
Basic Input Outlet System
Basic Integrated Output System
Basic Input Output System
19
2 Advantages of a Star Topology
Very Reliable
Good Security
Extra Hardware may be needed
Expensive
20
Asymmetric Encryption Keys are
Public to decrypt, private to encrypt
Use the same key to encrypt/decrypt
Private to encrypt, private to decrypt
Public to encrypt, private to decrypt
21
What is Run length encoding
Reduces the size of a repeating set of data
when the code runs the full section
writing code whilst going for a run
reduces the bandwidth needed
22
ROM stands for...
Really Old Memory
Rap On Mate
Read On Memory
Read Only Memory
23
Which of the following is not an operating system
Linux
iOS
Windows
iCPU
24
Linux is an open source. What does that mean?
It is open to people using it a lot
People can use it when their laptop is not open
It can be changed and given away for free
25
Linux is an open source OS.
False
True
26
A Solid State Drive SSD...
has no moving parts
is very slow
has high power consumption
uses magnetism
27
The motherboard connects all computer components together.
True
False
28
A smart phone touch screen is...
only good if it is an iPhone
an input device
an input and output device
an output device
29
Which of the following describes a bus topology?
All devices are connected to a central server
All devices are connected together
All devices are connected by a switch or router
All devices are connected to a common shared cable
30
Symmetric encryption...
uses 7 different keys
uses a pair of related keys
does not use any keys
uses a single key to encrypt/decrypt data
31
A solid state drive is faster than a hard disk drive?
They are the same speed
False
What is a solid state drive?
True
32
Define Volatile Memory
Volatile memory is capable to hold data even when the device isn't powered
Volatile memory is storage that only works when the device is powered.
