Shared Flashcard Set

Details

ICT
Computers
35
Internet/New Media
10th Grade
11/15/2010

Additional Internet/New Media Flashcards

 


 

Cards

Term
Describe the difference between hardware and software
Definition
Hardware is the physical components of a computer system and software is instructions that tell the computer hardware what to do
Term
Define hardware and give an example
Definition
Hardware is the physical part of the computer system.
Motherboard
CPU
Keyboard
Monitor
Term
Describe software and give one example
Definition
Software is a collection of instructions that can be 'run' on a computer
Windows 7
Microsoft word
Term
What is RAM and what does it stand for
Definition
Random Access Memory is the part of the computer that temporarily stores the instructions that the computer is running and the data it is processing.
Volatile storage
Term
What is ROM and what does it stand for
Definition
Read-Only Memory is used to hold a small, special piece of software: the 'boot up' program.
Non-volatile storage
Term
What is an input device? And give one example
Definition
Devices that pass data into the computer
A keyboard
A mouse
Webcam
Term
What are output devices? And give one example
Definition
Devices that take data from the computer
A monitor
A printer
Loudspeakers
Term
What is secondary backing storage?
Definition
Devices (except for ROM and RAM) that can store data in a computer system.
Term
What is GUI and what does it stand for
Definition
A Graphical User Interface is an interface built around visual things. For example:
Windows
Icons
And Menus
Term
What is a user interface? What are the two types?
Definition
The system that people use to interact with a computer.
Graphical User Interface (GUI)
Command line interface (CLI)
Term
What is CLI and what does it stand for?
Definition
Command Line Interface is when the user has to type in commands for the computer to do what you want
Term
What does CPU stand for and describe what it is
Definition
Central Processing unit is the brain of a computer
Term
What is the general name given to input, output and storage devices?
Definition
Peripheral device
Term
What is a keyboard used for?
Definition
Entering text into a word processing document and in applications where text has to be entered instead of copied
Term
What is a numeric keypad?
Definition
This is used for applications where numeric data is to be entered
Term
What is a pointing device used for
Definition
All applications which require selection from a graphical user Interface.
Term
When is a mouse usual used
Definition
In most PCs and desktop computers
Term
When is a touchpad usual used?
Definition
On laptop computers
Term
When is a trackerball mostly used
Definition
For people with limited motor skills
Term
Where are remote control devices used the most
Definition
To operate TVs, video/DVD players, satellite receivers, etc.
Term
Where are joysticks commonly used
Definition
By pilots or flight simulator and in video gaming
Term
What is a use of a touch screen
Definition
Selecting from a limited list of options e.g IPads
Term
Where are Magnetic stripe readers used
Definition
At Pos terminal, ATMs
Term
Where are chip readers and PIN pads used
Definition
Payment cards, ID cards, door control systems
Term
What are scanners used for
Definition
Entering hard copy images into a computer
Term
What are microphones used for
Definition
Recording voices for presentation software
Term
what is Abnormal or invalid data?
Definition
data that is
unacceptable and that should be
rejected by a validation check. For
example, entering text into a numeric
field or data which is outside the
range specified.
Term
What is a Actuator?
Definition
a device which takes control
signals from a computer and converts
them into movement, e.g. to turn
a valve on/off or to open/close a
window.
Term
What is Bandwidth?
Definition
a measure of the amount of data that can be transferred per second over the Internet or other network
Term
What is Batch processing
Definition
a type of processing where all the inputs needed are collected over a period of time and then batched together, inputted and processed in one go.For examole, questionnaires from a survey are
collected over a few weeks and then
batched together and processed in
one go.
Term
what is alphanumeric data?
Definition
data that includes letters, digits and punctuation marks
Term
what is extreme data?
Definition
data on the borderline on what the system will accept, for example if the score on the test was between 1-100 then 100 would be considered extreme data
Term
what is normal data?
Definition
ata that is acceptable for processing and will pass the validation checks eg if a teacher was putting in scores for a test between 0-100 the data between 0 and 100 is considered normal data
Term
what is biometric?
Definition
a property of the human body such as fingerprints or pattern of the retina which can be used to identify a person and allow them access to a computer system
Term
What is a bridge?
Definition
a hardware device used to connect two loca area networks to each other. The purpose of a bridgw is to decide whether a message needs the two networks or just confined to one of them. this reduces network traffic.
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