Lesson 1 computer basics Flashcards Preview

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Flashcards in Lesson 1 computer basics Deck (30)
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1
Q

what are the three main functions of a system?

A

processing, transferring and storing information

2
Q

Types of information

A

Videos, words, numbers, sound

3
Q

what is data made up of

A

binary digits 0 and 1s

4
Q

what do 0 and 1 represent?

A

The state of the transistors on and off

5
Q

can computers be built to suit a particular task?

A

Yes

6
Q

what does the internet allow us to do?

A

Share information Further and quicker

7
Q

what does a computer need to run?>

A

hardware software and a user

8
Q

what does a computer do with data

A

takes what the user inputs and manipulates it

9
Q

what hardware can be used outside of the case?

how is it connected?

A

Peripheral devices - via a USB or ports

10
Q

what is the basic environment a PC needs

A

Operating system OS

11
Q

what happens when data is input? FDE?

A

The information is stored in the RAM
the CPU fetches the data and processes it
it creates instructions telling other components what to do
it sends the instructions to the RAM

12
Q

Input

A

a user will enter data via a peripheral

13
Q

output

A

the processed data is shown to the user

14
Q

networks

A

allows users to share data to other computers connected on the same network

15
Q

RAM

A

non volatile memory which only stores data when electricity is moving through the computer

16
Q

desktops

A

computer in a case which is for home and office and uses peripherals for input and output

17
Q

what does the CPU control (limitations)

A

the overall speed of the computer

18
Q

what does the RAM control (limitations)

A

the amount of apps opened and the amount of data is processed

19
Q

what does the mass storage control (limitations)

A

The amount of data which is held when the computer is off

20
Q

Servers

A

users connect to the server and it supports users on a network - allows them to access resources

21
Q

server components

A

SAME as desktop - higher end components - more expensive - can have double the components for more reliability

22
Q

laptops`

A
portable
integrated screen
connectivity
input and output built in
portable power source
23
Q

what’s a hybrid

A

tablet which attaches to a keyboard which creates a laptop

24
Q

OEM

A

original equipment manufacturer - sources components and puts them together as a desktop to sell

25
Q

PDA

A

personal digital assistant - smartphone tablet etc

26
Q

IOT

A

internet of things - many items within the home all joined in connectivity - eg appliances security and items connected via Wi-Fi or Bluetooth that are controlled via an app

27
Q

computers in cars control?

A

brakes, navigation, acceleration, positioning, collision detect, parking assist and can even drive the car

28
Q

UAV

A

unmanned automated vehicle - drones, aircrafts

29
Q

medical devices

A

insulin pumps, monitors, defibrillators - they can automatically distribute insulin on a timer or monitor patience’s without constant assistance

30
Q

consoles

A

same equipment as desktop, using controller instead of a keyboard, powerful GPU, Wi-Fi and BT connection, TV display or monitor