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MSBCS-BCSI-1 Students will identify computer system components MSBCS-BCSIII-8 Students will examine basics of networking Computer Basics & Terminology. Study Guide Test 1 7 th grade. Bytes. Megabyte ( mb ) 1. A unit of computer memory or data storage capacity equal one million bytes.

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Study guide test 1 7 th grade

MSBCS-BCSI-1Students will identify computer system componentsMSBCS-BCSIII-8Students will examine basics of networkingComputer Basics & Terminology

Study Guide Test 1

7th grade


Bytes
Bytes

  • Megabyte (mb)

  • 1. A unit of computer memory or data storage capacity equal one million bytes.

  • Kilobyte (kb)

  • 1. A unit of computer memory or data storage capacity equal one thousand bytes. See Note at megabyte.

  • Gigabyte (gb)

  • 1. A unit of computer memory or data storage capacity equal to one billion bytes.

  • Byte

  • A sequence of adjacent bits operated on as a unit by a computer. A byte usually consists of eight bits. Amounts of computer memory are often expressed in terms of megabytes (1,048,576 bytes) or gigabytes (1,073,741,824 bytes).


Computer virus
Computer Virus

  • A computer program that can copy itself and infect a computer without the permission or knowledge of the owner.


CPU

  • the part of a computer (a microprocessor chip) that does most of the data processing; "the CPU and the memory form the central part of a computer to which the peripherals are attached"


Router
Router

  • A device that forwards data packets along networks.


Server
Server

  • A computer or device on a network that manages network resources


Modem
Modem

  • a device or program that enables a computer to transmit data over, for example, telephone or cable lines.


Software
Software

  • General term for the various kinds of programs used to operate computers and related devices


Hardware
Hardware

  • the physical parts of a computer system, including the monitor, central processing unit, memory, storage disks, printers and scanners, and network equipment, such as routers and servers


Flash drive
FlashDrive

  • card that plugs into a computer’s USBport and functions as a portable hard drive

  • Also known as thumb drive, pen drive, jump drive


Cd rom
CD-ROM

  • a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user


Software piracy
Software Piracy

  • The unauthorized copying of software. Most retail programs are licensed for use at just one computer site or for use by only one user at any time. By buying the software, you become a licensed user rather than an owner (see EULA). You are allowed to make copies of the program for backup purposes, but it is against the law to give copies to friends and colleagues.


Email
Email

  • system for sending and receiving messages electronically over a computer network, as between personal computers.


Internet
Internet

  • computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange


Instant messaging
Instant Messaging

  • the exchange of text messages through a a software application in real-time


Video conference
Video Conference

  • A discussion between two or more groups of people who are in different places but can see and hear each other using electronic communications.


Memory
Memory

  • A device (as a chip) or a component of a device in which information especially for a computer can be inserted and stored and from which it may be extracted when wanted


RW

  • Rewritable disc can be erased and recorded over numerous times without damaging the medium.

  • Examples: CD-RW, DVD-RW


Browser
Browser

  • A special software program used to access information on the Internet


Home page
Home Page

  • The main page of a website to which all other pages within the site are linked


HTML

  • A computer language that uses codes to format documents displayed on the WWW.


File extension
File Extension

  • a suffix to the name of a computer file applied to indicate the encoding convention (file format) of its contents

  • Examples

  • .doc Microsoft Word

  • .xls Microsoft Excel

  • .ppt PowerPoint


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