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Flashcards in computing Deck (22):
1

what are the 3 facts about data in RAM

it is the users software
all data is lost when the computer is turned off
it cam be read and written

2

3 facts about data in ROM

it is red only memory
it is the computers software
it is not lost when computer is turned off

3

what is word size

word size is the no. of bit fetched by the processor from RAM at any one time

4

name 3 types of storage

flash optical and magnetic

5

what is computer networking

computer network is 2 or more computers connected together by a cable or wireless signals

6

what are the 3 thingies in CPU

ALU. registers. CU

7

what does the CU do in the CPU

controls and supervises the low of data in CPU

8

what does ALU do in the CPU

ALU does all the arithmetic stuff

9

diagram of computer system

input devices➡️cpu➡️output devices
⬇️⬆️
backing storage devices

10

what is the registers

temorary storage

11

what does the CU do in the CPU

controls and supervises the flow of data

12

name 3 different types of magnetic storage

floppy disk
zip disk
hard disk drive

13

name 3 different types of optical storage

cd
dvd
blu ray

14

name 2 types of flash storage

usb
sim card

15

what is a operating system

the operating system is the most important sortware on your computer. it starts as soon as the computer is turned on.

16

what is cloud computing

cloud computing is applications and data backed up over the internet rather then on the computer

17

name 3 computer laws

the computer misuse act
the copyright, design and patents act
the data protection act

18

what does the computer misuse act cover

the spread of compter viruses
hacking
fraud

19

what does the copyright, design and patents act cover

copy and distabut software that hasn’t been payed for
audio and videos that havent been payed for

20

what is a database file

a database file is all the information on all the items in the database

21

what is a data base record

a database record is all the information on one item

22

what is a database field

a database field is one item of information