Page 25 - Knowledge Organiser Yr7 24-25

Knowledge Base: Computing Year 7 | Autumn Term
Stretch your vocabulary
a.1
binary
Binary is a number system that only uses two digits: 1 and 0. All information that is processed by a computer is in the form of a sequence of 1s and 0s.
a.2
hexadecimal
The hexadecimal numeral system, often shortened to hex, is a numeral system made up of
16 symbols (base 16)).
a.3
ASCII Code
ASCII is a 7-bit code, meaning that 128 characters (27) are defined.
a.4
Moore's Law
The observation that the number of transistors in an integrated circuit doubles about every two years.
Stretch your vocabulary
a.1
biometrics
Used to identify an individual digitally including fingerprint and retina scanning.
a.2
hacking
Third party activity that compromises computer hardware, devices and networks.
a.3
zip file
Take up limited storage space and can be transferred to other computers more quickly than uncompressed files.
a.4
firewall
A barrier that sits between
a private internal computer network and the public internet.
a.5
data analytics
Analysis of raw data to identify any meaningful patterns.
a.6
malware
Short for Malicious Software. Malware can be various different programs which will try to do something unwanted to your computer.
Managing information on a computer, BBC Bitesize:
Computer and technology based news and developments, BBC Click:
Computational thinking – learn to code Online coding tutorials, Code.org:
Future Careers – Computer Control:
Future careers in computer control: NSPCC
7 key steps to consider if you ever experience cyber abuse.
1 Record the evidence
2 Tell a parent or teacher or the Police
3
Don't reply to abuse
4
Keep personal information PERSONAL
5
Block users who send abuse
6
Report the abusive users to the online platform
7
Have time away... temporarily suspend your account... Or even delete your account..
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