Module 1.4 Flashcards
what’s a file extension?
3/4 letter code that identifies the file type
what does a file extensions indicate?
- what type of file it is
* which program should be sued to open it
what can you do if you can’t open a file with a specific file extension?
• See list of suggested programs
• Search Internet for suitable
program
- Change or set default program
- Right-click file and use Open With command
what is a path?
a sequence of folders staring from the drive letter, that leads to the location of a specific file
please look at the file extension names
dankie babs
working with files
- rename
- sort
- copy/move
- delete
The recycle bin
Files deleted from the hard drive are automatically sent to the Recycle Bin.
You can recover a file if you have not emptied the Recycle Bin ☺
But look out!
Files deleted from a network drive or from removable media (e.g. flash drive) are NOT sent to the Recycle Bin.
um
Use Shift to select adjacent files
Use Ctrl to select non-adjacent files
Saving the file in a format that can be read by other types of programs allows us to:
- share data
* access the data with an older operating system
what are the 2 types of computers?
- general-purpose computers
* dedicated devices
what are general purpose computers?
they have an operating study em which can run many different productivity applications that cab perform wide variety of tasks
give some examples of general purpose computers & describe
• desktop computers:
- box ( system unit ) = CPU, memory and storage
• portable computers i.e. laptops
- work anywhere @ anytime
• smartphones
- multipurpose computing device
• servers
- computer on a network that provides resources and services to connected computers and users
give examples of dedicated devices & what they are
dedicated for one singular purpose
∙ MP3 players ∙ GPS devices ∙ ABS braking system in your car ∙ ATM machines ∙ Household appliances like microwaves and washing machines
what is ICT?
Information
Manipulated or processed data
Communication
Process of transferring data / information from
one place to another
Technology
System – Hardware and Software
Communication – Networks and communication devices Internet – WWW, e-communication
give terminology for ICT
describes all the hardware and software needed to gather and process data in order to exchange information quickly and accurately
what is an ICT SYSTEM
combination of hardware, software, data, processes, and people with the goal of collecting, processing, storing, retrieving and communicating data and information
please go and understand ICT systems
thanks love
name examples of ICT in everyday life
computer system:
- Hardware
- Software
- You (the user)
- Data
- Processes
cellphone system:
- Cell phones
- SIM cards
- Cellphone software
- Cellphone towers
- People
point of sale system:
- Customers, staff
- Scanners
- Servers, Cables
- Credit card machines
- Software
- Processes
what are ways in which ICT can be used to act unethically?
- Theft: identity / data / computer time / piracy
- Spreading false information – greater speed and reach
- Creating malicious software: viruses, Trojans, worms, etc.
Why these things do not SEEM so bad (but they still are!):
- Cannot see or touch things you are stealing
- Don’t seem to hurt real people – faceless ‘numbers’
- No one gets hurt physically – no potential for violence
- Perceived justice – big companies just ‘rip people off’
Name a few reasons why we use computers and ICTS in general
- more accurate & reliable than people
- fast
- they cab work 24 hours a day, 7 days a week
- cost less than people in long run
- reduce need for resources; office space & furniture and cut down on paper
