Lesson 1 computer basics

Question 1

what are the three main functions of a system?

Answer 1

processing, transferring and storing information

Question 2

Types of information

Answer 2

Videos, words, numbers, sound

Question 3

what is data made up of

Answer 3

binary digits 0 and 1s

Question 4

what do 0 and 1 represent?

Answer 4

The state of the transistors on and off

Question 5

can computers be built to suit a particular task?

Answer 5

Yes

Question 6

what does the internet allow us to do?

Answer 6

Share information Further and quicker

Question 7

what does a computer need to run?>

Answer 7

hardware software and a user

Question 8

what does a computer do with data

Answer 8

takes what the user inputs and manipulates it

Question 9

what hardware can be used outside of the case?

how is it connected?

Answer 9

Peripheral devices - via a USB or ports

Question 10

what is the basic environment a PC needs

Answer 10

Operating system OS

Question 11

what happens when data is input? FDE?

Answer 11

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

Question 12

Input

Answer 12

a user will enter data via a peripheral

Question 13

output

Answer 13

the processed data is shown to the user

Question 14

networks

Answer 14

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

Question 15

RAM

Answer 15

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

Question 16

desktops

Answer 16

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

Question 17

what does the CPU control (limitations)

Answer 17

the overall speed of the computer

Question 18

what does the RAM control (limitations)

Answer 18

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

Question 19

what does the mass storage control (limitations)

Answer 19

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

Question 20

Servers

Answer 20

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

Question 21

server components

Answer 21

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

Question 22

laptops`

Answer 22

portable
integrated screen
connectivity
input and output built in
portable power source

Question 23

what’s a hybrid

Answer 23

tablet which attaches to a keyboard which creates a laptop

Question 24

OEM

Answer 24

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

Question 25

PDA

Answer 25

personal digital assistant - smartphone tablet etc

Question 26

IOT

Answer 26

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

Question 27

computers in cars control?

Answer 27

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

Question 28

UAV

Answer 28

unmanned automated vehicle - drones, aircrafts

Question 29

medical devices

Answer 29

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

Question 30

consoles

Answer 30

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