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Geography y9 > COMPUTER SCIENCE > Flashcards

COMPUTER SCIENCE Flashcards

(52 cards)

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1
Q

What is an algorithm?

A

set of rules / instructions to be followed by a computer system

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2
Q

What is a pseudocode?

A

Language similar to english used to plan algorithms

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3
Q

what is a string

A

a sequence of characters used to represent text

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4
Q

what is a float/ real

A

a decimal number

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5
Q

what is an integer

A

a whole number

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6
Q

what is a boolean

A

a value that is either true or false

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7
Q

what does ‘==’ mean

A

equal to

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8
Q

what does ‘!=’ mean

A

not equal to

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9
Q

what does ‘>’ mean

A

greater than

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10
Q

what does ‘<’ mean

A

less than

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11
Q

what does ‘>=’ meqn

A

greater than/equal to

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12
Q

what does ‘<=’ mean

A

less than/equal to

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13
Q

+

A

addition

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14
Q

-

A

subtraction

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15
Q

*

A

multiplication

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16
Q

/

A

division

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17
Q

what is a variable

A

a value that can change during a program

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18
Q

constant

A

a value that stays the same throughout the program

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19
Q

syntax error

A

spelling/grammar errors in the code

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20
Q

code

A

instructions that a program uses

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21
Q

python

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A

a programminh language used to write paragraphs

22
Q

flowchart

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A

a visual method of planning an algorithm using symbols

23
Q

while loops

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A

used to repeat a section of code an unknown number of times until a specific condition is met

24
Q

for loops

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A

used to iterate (repeat) over sequences

25
if statement
condition statement used to check a condition and execute it if the condition holds through
26
e-safety
strategies and systems to help people stay safe online
27
cyber-bullying
use of electronic communication to bully a person
28
digital footprint
information about a particular person that exists on the internet as a result of their online activity ; cannot be deleted
28
hacking
gaining access to systems and computers without permission to access
28
grooming
someone using the internet to trik, force, or pressure a young person into doing something that they wouldn't normally do
28
data
units of information
29
malware
software designed to cause harm/damage to a computer
30
hardware
physical parts of a computer that you can see and touch
31
PAN
(personal area network) connects electronic devices within a users immediate area
32
what is the computer misuse act
designed to make hacking into a computer illegal
33
what is the data protection act
it protects personal details stored on computer systems ; it makes sure that our sata is properly looked after
34
anti-virus
a program designed to detect and remove viruses and other kinds of malicious software from your computer or laptop
35
what is a trojan (horse)
a form of malware that manipulates a computer user into thinking content in a file is safe
36
what is spyware
What is spyware explanation for kids? A type of program installed on a person's computer without the owner's consent
37
copyright, design and patents act
desinged to protect peoples creations
38
what is an input device
piece of hardware that can be used to enter data in a computer
39
what is an output device
piece of hardware that can be used to represent information in different ways
40
LAN
(Local Area Network) conects devices together over a small geographical location
41
WAN
(Wide Area Network) a computer network where devices are connected over a wide geographical area
42
hardrive
where all the computers long term data is stored
43
RAM
(Random Access Memory) where tempory data is stored whilst the computer is currently being used
44
CPU
(Central Processing Unit) is the primary component of a computer that acts as its “control center.”
45
Motherboard
circuit board for the computer system
46
ROM
(Read Only Memory)memory that can't be changed by a program/user
47
computer networks
connects two or more computers and communication devices
48
network security
any activity designed to protect the ysability and integrity of your network and data
49
peripheral
devices (or tools) that send or receive information from a computer or device

Geography y9 (4 decks)

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