Term two exam Flashcards
what do file names consist of
May consist of all the alphabetical characters ,some special caharacters
what are file extensions
The last characters after the period(Full stop)
Application file extension
DOCX (word)
XISX (Excel)
PTT(Powerpoint)
TXT(Notepad)
Audio file extension
Mp3
Wav
Cda
Graphics file extension
Jpeg
Jpg
Gif
Program file extension
EXE and COM
what is hardware
the physical components of a computer my GUY
What in the steps of the information cycle
Input
Process
Store
Communicate
Output
What is Input
The data and instructions that are given to computer
Mouse Actions
Click
Scroll
Double click
Left click
Right click
what is the definition of output
Provides us with the results of its processing
What is open source software
Software that may be freely used ,modified and distributed
Examples of open source software
Linux operating system
Java programming
Open office
What are the types of software
Free software
Shareware
Open source
Proprietary software
What is the difference between right click and left click
Right click is used for click or getting into a software or website
Left click is used to get extra information about something or just opening the menu for something
What are the advantages of wireless devices
There is less clutter as there are no cables
You have a wider range of movement
Give the health tips when using a PC
Use ergonomically designed equipment
Make sure lighting is adequate
Sit correctly
Make sure ventilation is adequate
What is Green computing
A term used to describe using computers in a way that is not harmful to the environment
Give the definition of QWERTY
A standard English language typewriter or computer keyboard on which the first Six letters are Qwerty
Define screen resolution
The number of pixels displayed on a screen in each dimension horizontally and vertically
Give the function of printers
present text or images to flat media such as paper in various sizes
What is the difference between an inkjet and laser printer
Inkjet
cheap to buy
Quality -excellent
speed-slow
Ink cost -very expensive
Laser
expensive to buy
Quality-Good
Speed-fast
Ink cost -expensive
What is a optical drive
An Internal or External computer disk drive that uses laser beam technology
What is copyright
A legal right of someone to make copies of something
What is the difference between save and save as
Save:
Used to update the last saved version of a file with the current content.
Preserves the original file name, location, and format.
Save As:
Used to create a new file or save an existing file to a new location with the same or different name.
Allows changing the file name, location, and format.
What are the functions of drive software
enabling communication between the operating system and hardware devices
translation-Device translates generic commands from the operating system into specific instructions
Management-manages the power and performance of the hardware device
optimization
feedback
plug and play
hot swapping
driver signing
driver update
compatibility
security
what the synchronized benefits
Data consistency
prevents deadlocks
improved performance
Improved scalability
what is a scanner
is an input device that scans images into a computer
types of scanners
flat bed
sheet-fed scanners
biometric scanners
