A | B |
compact file storage device that saves information externally | flash drive |
uses laser beams to read and write data | optical media |
an electromagnet is used to read and write data on this | magnetic storage |
the type of memory that is permanent | read-only memory (ROM) |
measured in hertz (Hz) it is one of the factors that effects how fast your computer can execute instructions | clock speed |
a silicon chip that processes data and carries out instructions | CPU |
computer output that is printed in permanent form | hardcopy |
examples include hard disk drives | printers |
the type of temporary memory that allows the user to readily store and retrieve data | random-access memory (RAM) |
computer output that is displayed on the monitor screeen and later erased | soft copy |
programs designed to meet a particular user need (example: Word | Photoshop) |
the person interacting with the computer | user |
loading the operating system | booting |
a ____ program coordinates the operation of the computer's hardware and software | system |
___ programs in an OS perform specific tasks like backup or defragmentation | utility |
software that is free or inexpensive to download | open source |
a___ user interface that uses icons and menus | graphical |
to make a copy of your files | backup |
user ___ describes how easy a piece of software is to learn | friendly |
an instruction to the computer telling it to perform a particular function | command |
a picture that represents an object or command | icon |
utility that decreases the size of a file | compression |
Bar Code Reader | input |
Soft Copy | output |
Scanner | input |
Mouse | input |
Microphone | input |
Hard Copy | output |
Keyboard | input |
Plotter | output |
Standard monitor | output |
Printer | output |
Can transmit data only in straight lines | Microwave Link |
Uses insulated copper and aluminum wire and is commonly used for cable TV | Coaxial Cable |
Uses laser beams to transmit data | Fiber-Optic Cable |
Composed of twisted copper strands used in original telepone wires | Twisted-Pair Wire |
Transmission used with satellites similar to Radio or TV transmission | Microwave Link |
Used in high speed digital communication channels relatively free of interference | Fiber-Optic Cable |
A network within a fairly small area such as a building or a small group of buildings | Local Area Network (LAN) |
The process of changing a signal from analog to digital form so that it can be received by a computer | Demodulation |
The process of changing a signal from digital to analog form so that it can be sent over a communications channel | Modulation |
Designed to use the file server for storage of data and files but has no hard drive of its own | Network computer |
A network that covers a large geographic area such as a state or country | Wide Area Network (WAN) |
A hardware device that is connected to a network (computer -printer -scanner etc.) | Node |
A network in which the nodes make requests for software and data from the file server | Client-Server Network |
The transmission of data as distinct on and off pulses | Digital |
A microcomputer on a network that contains the master data files and software on its secondary storage devices | File Server |
The transmission of data in continuous electronic waves | Analog |