Flashcards
ICT
Flashcards do conjunto (11)
- 1ICT (Information Communication Technology)- Usually tied into a different topic in long qs as opposed to being entirely on it's own in Long Qs, usually a Section A topic
- 2Input - Process - Output- We can input data into a programme + get an output, e.g type in letters into Microsoft Word + print out an output from it (Letter, poster etc)
- Basically, the input into a process leaves you with an output, e.g, you type in numbers, the computer will do calculations + will give a final answer - 3Common question I: Difference between hardware + softwareHardware is anything that you can actually see that relates to the computer, e.g the monitor, mouse, keyboard etc
A computer is useless without software, software basically concerns programmes like Microsoft Word - 4Common Question II: Input device+Output deviceInput device is anything you use to put information into your computer, e.g, scanner + keyboard
Output device is anything that gets information from the computer, e.g printer - 5Central Processing UnitBasically the brain of your computer
Made up of various units, some of which include:
Arithmetic Logic unit - Calculations
Control unit - Controls everything
Memory unit - Stores info - 6Memory - ROM + RAMROM= Read only memory
-Built into computer
-Cannot be changed
-There even when the computer is turned off (e.g application software like Windows XP)
RAM= Random access memory
-Storage memory
-You lose it if you don't save it - 7Secondary storage-Back up
-Includes disks + pen drives (media) - 8Computer Applications1.Word processing - To write letters+edit documents
2.Database - A filing system that allows info to be stored
3.Spreadsheet - Used for accounts+budgets
4.Presentation - Used for presentations with sound, pictures, etc
5.Graphics - Used for pictures, creations, art
6. Combination of 1+2. Names + addresses from database are entered into word processed letter - 9Uses of IT~IN THE HOME - mobile phones, appliances, alarm clocks, internet, CD players etc
~IN THE BUSINESS - Payroll, filing, Online banking, accounts, video conferencing, security
~IN BANKING - ATM, Database of customers, internet banking
~IN COMMUNICATION - Mobile phones, email, webcam - 10The Internet~Network of connected devices that are connected through telephone system
~Being furthered by the development of broadband
~You need a modem + programme (Internet explorer)
~Like an electronic magazine - 11Email~Electronic letter
~Cheap (costs less than 6c per email), fast ~Need to be connected to phone
~Not confidential, be aware of Viruses, problem with junk mail (spam) that can also contain viruses
Informações
- Descrição
- Junior Certificate Irish+Business (Business) FlashCards sobre ICT, criado por Emma O'Hora em 06-06-2016.
- Criado por
- Emma O'Hora · jun 2016
- Atualizado
- 23 ago 2016
- Visualizações
- 6
- Avaliação