COMPUTER SCIENCE Flashcards

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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

A

a programminh language used to write paragraphs

22
Q

flowchart

A

a visual method of planning an algorithm using symbols

23
Q

while loops

A

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

24
Q

for loops

A

used to iterate (repeat) over sequences

25
Q

if statement

A

condition statement used to check a condition and execute it if the condition holds through

26
Q

e-safety

A

strategies and systems to help people stay safe online

27
Q

cyber-bullying

A

use of electronic communication to bully a person

28
Q

digital footprint

A

information about a particular person that exists on the internet as a result of their online activity ; cannot be deleted

28
Q

hacking

A

gaining access to systems and computers without permission to access

28
Q

grooming

A

someone using the internet to trik, force, or pressure a young person into doing something that they wouldn’t normally do

28
Q

data

A

units of information

29
Q

malware

A

software designed to cause harm/damage to a computer

30
Q

hardware

A

physical parts of a computer that you can see and touch

31
Q

PAN

A

(personal area network) connects electronic devices within a users immediate area

32
Q

what is the computer misuse act

A

designed to make hacking into a computer illegal

33
Q

what is the data protection act

A

it protects personal details stored on computer systems ; it makes sure that our sata is properly looked after

34
Q

anti-virus

A

a program designed to detect and remove viruses and other kinds of malicious software from your computer or laptop

35
Q

what is a trojan (horse)

A

a form of malware that manipulates a computer user into thinking content in a file is safe

36
Q

what is spyware

A

What is spyware explanation for kids?
A type of program installed on a person’s computer without the owner’s consent

37
Q

copyright, design and patents act

A

desinged to protect peoples creations

38
Q

what is an input device

A

piece of hardware that can be used to enter data in a computer

39
Q

what is an output device

A

piece of hardware that can be used to represent information in different ways

40
Q

LAN

A

(Local Area Network) conects devices together over a small geographical location

41
Q

WAN

A

(Wide Area Network) a computer network where devices are connected over a wide geographical area

42
Q

hardrive

A

where all the computers long term data is stored

43
Q

RAM

A

(Random Access Memory) where tempory data is stored whilst the computer is currently being used

44
Q

CPU

A

(Central Processing Unit) is the primary component of a computer that acts as its “control center.”

45
Q

Motherboard

A

circuit board for the computer system

46
Q

ROM

A

(Read Only Memory)memory that can’t be changed by a program/user

47
Q

computer networks

A

connects two or more computers and communication devices

48
Q

network security

A

any activity designed to protect the ysability and integrity of your network and data

49
Q

peripheral

A

devices (or tools) that send or receive information from a computer or device