Basic Computer Hardware and Software
Basic Computer Hardware and Software
Basic Computer Hardware and Software
Basic Computer Hardware and Software
Basic Computer Hardware and Software
100
Into information into the computer such as a keyboard, mouse, scanner, and digital camera.
What is Input
100
CD-ROM (compact disk read only memory) Approximately 600 to 700 megabyte of storage An optical device read by a diode laser
What is Data Storage Devices (cont’d)
100
Video cards plug into the motherboard and are used to display video
What is Video Cards
100
Screen resolution is measured in pixel per inch PPI and printer resolution is measured in dots per inch (dpi).
What is Resolution
100
Multimedia software programs include sound, pictures, video, text, and hypertext to create presentations
What is Multimedia
200
from the computer such as a printer and monitor.
What is Output
200
Floppy diskette is magnetic storage device for small amounts of data (1.44MB). Flash drive is a compact and portable electronic storage device. USB (plug and play) supported
What is Data Storage Devices (cont’d)
200
Ports are an interface between the computer and another peripheral device such as a disk drive, mouse, printer, modem, monitor, camera, FLASH drive or keyboard
What is Ports and Peripherals
200
Local Area Networks are networks usually in the same company or building. The Local Area Network is connected via telephone lines or radio waves. Most LANs connect workstations.
What is LAN and WAN
200
Different programs have different file extensions
What is File Management
300
(Central Processing Unit) also called the Microprocessor or “The Brain” of the Computer.
What is CPU
300
Computer memory is Binary(0 or 1) (on or off)
What is Computer Memory
300
Peripherals are devices that plug into a computer and are not housed internally.
What is Ports and Peripherals
300
Bandwidth is how much information can be carried in a given time period (usually a second) over a wired or wireless
What is Bandwidth and Baud Rate
300
Saving files - know the difference between “save” and “save as”. “Save” will save the open document over the saved document while “save as” creates a new document if you rename the document. Save often so work will not be lost.
What is File Management
400
also called the microprocessor may contain an entire processing unit.
What is Central Processing Unit
400
RAM (random access memory) stores data that is processing. This type of memory is erased when the computer is turned off.
What is Computer Memory
400
Resolution refers to the number of pixels (picture elements) in the monitor image.
What is Resolution
400
Baud Rate is the rate at which information is transferred in a communication channel.
What is Bandwidth and Baud Rate
400
Merging files - in 3D graphics, bringing an outside file into an open file (another name for this may be loading or replacing objects in the workspace
What is File Management
500
Fast recording and recovery of data Large storage capacity Magnetic Primary storage device for data and programs Speed is measured in R.P.M.’s
What is Data Storage Devices
500
GUI (Graphic User Interface) is a set of images and icons seen on the desktop used to operate a program
What is Graphic User Interface (GUI)
500
Multitasking is the ability to execute more than one task (program) at the same time. Only one CPU is used but switches from one program to another
What is Multitasking and Multiprocessing
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