Computing!
Hardware & Software
Inputs & Outputs
Health and safety issues
Advantages & Disadvantages of Cloud Based software
Advantages:
Disadvantages
It saves automatically
It is easy to access on different devices
Hardware
Software
Software tells the computer what to do but you can't touch it
Hardware is something that you can touch are a physical part of a computer.
Keyboard
Mouse
Motherboard
Graphics card
Microsoft Windows
Android
macOS
Inputs
Outputs
Speakers
Headphones
Inputs and Hardware are the same things because you have to plug in all of the Hardware things for them to work (except for wireless things).
Digital camera
Outputs are things that you have to do on the computer and then it will come out of something e.g. a picture out of a printer
Music from earphones and headphones
Both
Wireless keyboards
Joystick
CD
Modem
Touch screen
DVD
Historical people in computing
You can get DVT (Deep Vein Thrombosis) which is when you sit still for a long period of time and the blood circulation is cut off.
You can get stressed because if you don't understand computers you can get stressed or you might find it increasingly hard to separate your home and work life.
Apps
You can get backache and neck pain from sitting in an awkward position.
You have to have wifi/internet connection to access them
How are algorithms presented?
Input/Output: :
Process:
Start/Finish:
Question:
The people you share it to can edit it when you don't want them to.
Charles Babbage
He invented the first computer
He basically made a big calculator called the Difference Machine / Engine.
Tim Burners-Lee
He invented the World Wide Web (www.) NOT the internet.
Konrad Zuse
He invented the modern computer
computer manufacturers
Short and Long range signals
dell
sony
Short range
Long range
Bluetooth
NFC
Infrared
lenovo
apple (imac)
WiFi
samsung
acer
4G
file types
png (image)
MP3 (music-audio)
.doc (document)
PDF- document/image (can't type on it but can draw)
Malware
What is malware?
Malware is software that is designed to damage and destroy computers and computer systems.
Examples of malware
Viruses, worms, Trojan viruses, spyware, adware, and ransomware
Malware is short for “malicious software.”
What is Phishing?
Phishing is a type of online scam where people impersonate organizations via email, text message, advertisement or other means in order to steal private and personal information
Key elements in the History of Computing
1642: Calculator
1936: First computer
1868: Keyboard
1964: The Computer Mouse
1981: Portable computers
Different types of ciphers
Pig-pen cipher
Caesar cipher
Inside a computer system
ROM
Hard disk drive
CPU
RAM
Motherboard