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Grade Ten Flashcards > CAT term 2 (theory) > Flashcards

CAT term 2 (theory) Flashcards

1
Q

what is a computer

A

a multi purpose portable electronic device
eg. laptop, tablet, smartphone

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2
Q

what is hardware

A

physical parts of a computer
eg. mouse, monitor, keyboard

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3
Q

what is software

A

specific instructions we give the computer to get it to do something useful

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4
Q

what is a multi purpose tool

A

ability to run different types of programs

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5
Q

why are smartphones considered computers

A

it has apps that enable it to do way more than phone calls

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6
Q

what is the information processing cycle

A

input - processing of data - output - storage

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7
Q

explain the IPC

A

input from the keyboard or mouse, information is processed and produces an output on the screen or printer which is usually stored.

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8
Q

what is data

A

unprocessed items eg. text, numbers, images

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9
Q

what is information

A

result of processing data, should be useful

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10
Q

what is the booting process

A

operating system automatically loads when the computer is switched on.

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11
Q

what is the desktop

A

screen of the operating system that includes icons, start button, quick launch task bar

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12
Q

what is GUI

A

graphical user interface

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13
Q

what are the common features of a program

A

an area of the screen is sued to display the feedback or output of a program this is defined as a window.

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14
Q

what is application software

A

group of programs that perform specific tasks for users eg. Microsoft word

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15
Q

what is system software

A

software that is intended to control, support or operate the computer
eg. operating system - windows/ apple mac OS

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16
Q

what are the functions of an operating system

A

manages all hardware and software
maintains security
provides an interface

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17
Q

what is an interface

A

important part of the operating system
-all the content of the screen is arranged and presented
- desktop is personalized
apps are represented by the icons

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18
Q

what are the short cut keys

A

ctrl c for copy
ctrl s for save

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19
Q

what is the dialog box

A

conveys a message and contains
-tab in dialog
-combo and list box
-check box

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20
Q

what are the utilities

A

snipping tool and calculator

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21
Q

what is a program

A

set of instructions loaded into memory

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22
Q

what are commands

A

given by the user

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23
Q

what are ports

A

sockets used to connect peripherals to the computer

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24
Q

what is plug and play

A

detects and configures a device

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25
what is a monitor output
also known as an lcd or led is measured in inches diagonally
26
what is a monitor output
also known as an lcd or led is measured in inches diagonally
27
what are the differnces between an inkjet printer and a laser printer
inkjet sprays ink, cheaper and slower laser works like a photo copier, is more expensive and is faster
28
what is a hard drive
main and large device located within a computer
29
what is a flash drive
uses electronic memory to store data- powered by USB
30
what is rsi
repetitive strain injury
31
what prevents rsi
ergonomically designed equipment
32
what are three health tips for using computers
ergonomic equipment sitting correctly adequate lighting
33
what is green computing
switch off unused computers avoid wasting paper repair broken hardware
34
how to set up a file name
name dot extension
35
what is a file path
sequence of folders starting from drive letter separed by / and file location
36
what is the recycle bin
holds files deleted from local hard drive
37
what are short cuts
created to point a file out ctrl x cut ctrl c copy ctrl v paste ctrl a select all
38
how to convert file types
save as ---- save as type this converts it to another file type
39
what does a desktop contain
mouse keyboard screen and box with cpu memory and storage
40
what is a server
provides resources and services
41
what are dedicated devices
devices designed to do one thing eg. mp3 players gps trackers
42
what is ICT
INFORMATION COMMUNICATION AND TECHNOLOGY its a combination of hardware software data processing and people
43
what is a point of sales system
uses barcodes or scanning its more accurate
44
how can ICT be used unethically
theft, spreading false info, malicious software
45
what is integrated software
microsoft office it separates packages that has a similar interface separates packages designed to share and exchange data. sold as a suite of problems
46
what is proprietary software
owned by someone and may only be provided under license agreement
47
what is EULA
end user licensing agreement legal agreement describing what can and cant be done with the software
48
what is single user license
can only install one copy
49
what is site license
allows one company an unrestricted number of installments of software within the company
50
what is freeware
fully functioning software that can be used without restriction.
51
what is shareware
restricted software that should be paid for after its free trial
52
what is open source software
software that may be freely used, modified and distributed but NOT sold eg. java Linux open office
53
what are utility programs
used to assist the user perform maintenance tasks
54
what is compression
process of creating a copy or more files which are smaller eg. winzip compresses and decompresses files.
55
what is a driver
software that allows your computer to communicate with hardware devices
56
what are pointing devices
trackball, pen, touch
57
what are sensors
built into mobile devices
58
what's an accelerometer
detects movement such as screen orientation
59
what are temperature sensors
safeguards electronics
60
what is optical media
CD/ DVD/ mainly used for media and games
61
what is a motherboard
large circuit board that allows all other parts to connect to it and communicate via it.
62
what is CPU
Central Processing Unit- PROCESSES DATA AND CARRIES IINSTRUCTIONS OUT
63
what is RAM
random access memory- large working memory
64
what is ROM
read only memory - smaller
65
what is network
a collection of computers and other devices that are connected either via cable or wirelessly
66
what is a server
powerful computer that provides shared resources in a network
67
what is the internet
a global network consisting of many networks that are connected to each other
68
advantages of the internet
communication leisure sharing resources
69
disadvantages of the intenet
data is vulnerable expensive to set up harmful software
70
two examples of open source office suites
openoffice and libreoffice
71
winZip and winRar
compression utility programmes
72
blu ray
optical disc format designed to enable recording, rewriting and playback of HD videos as well as storing large amounts of data
73
Magnetic Ink Character Recognition (MIRC)
technology that enables a machine to read characters such as bank numbers on a cheque
74
software piracy
illegal installation, copying and distributing of proprietary software
75
multi function printer
is an all-in-one device which can print, scan, photocopy and fax
76
optical mark recognition
process of capturing marks made by a human
77
speed measurement (GHz)
Gigahertz is the unit in which the speed of CPU is measure -one GHz represents 1 billion cycles per second
78
what’s botnet
group of compromised computers connected to a network such a as f internet and controlled remotely to attack other networks
79
what’s hackers and crackers
computer criminals who break into computer systems either for recognition (hackers) or with criminal intent (crackers)
80
what is ADSL (asymmetric digital subscriber line)
permanent digital connection to the internet using the telephone line
81
what’s a content aggregator
website or application that gathers different web content from many different online sources
82
what is HTML (HyperText Markup Language)
language in which web pages are written -this language supports links to other documents
83
what a Internet Protocol Address (IP address)
unique address of every computer connected in a network or to the internet
84
what’s an internet service provider (ISP)
a company that is permanent, fast connection to the internet -sells internet services to individuals or organisations for a monthly fee
85
what’s an URL (uniform resource locator)?
an alpha-numerical address used to identify resources such as web pages, documents and files stored on web servers on the web
86
what netiquette
internet etiquette
87
what’s a computer worm
malware that is able to distribute itself over a network

Grade Ten Flashcards (17 decks)

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