Computer Class Flashcards
What is an operating system
Software that allocates system resources manages storage space maintain security the text equipment failure and controls basic input and output
Motherboard
The main circuit board of the computer on which processing tasks occur
CPU
A silicon chip that located on the motherboard and that is responsible for executing instructions to process data also called processor or central processing unit
How do you measure CPU speed
But it’s clock speed word size and whether it a single or multi core
Units of storage
Kilobyte byte megabyte gigabyte
RAM
Chips on cards plugged into the motherboard that temporarily hold programs and data while the computer is turned on also called volatile memory or temporary memory
Hard drive
A magnetic storage device that contain several magnetic oxide covered metal platters that are usually sealed in a case inside the computer also called a hard disk or hard drive
Blu-ray
A disk use for storing high definition video that stores 25 GB of data per layer
Solid-state storage or flash memory
Memory that is similar to ROM except that it can be written to more than once
Cloud computing
Work done in a virtual environment using data applications and resources stored on servers and accessed over the Internet or company’s internal network rather than on users computers
Network
Two or more computers that share data and resources and which are connected to each other and to peripheral devices
Wi-Fi
The term created by the nonprofit Wi-Fi alliance to describe networks connected using a standard radio frequency established by the Institute of electrical and electronics engineers
Bluetooth
The wireless technology standard that allows electronic devices to use short range radio ways to communicate with one another connect to the Internet the radio waves can be transmitted around corners and through walls
Malware
A broad term that describes any program that is intended to cause harm or convey information to others without the owners permission
Spyware
Software that tracks a computers uses Internet usage and census data back to the company or person that created it usually without the computers users of permission or knowledge
Virus
A harmful program that instructs the computer to perform destructive activities such as erasing at this drive variance are called worms and Trojan horses
Phishing
And illicit activity used for hackers to treat computer users into revealing personal or financial information through an email message or website
Firewall
Hardware or software that prevents other computers on the Internet from accessing a computer or prevents a program on the computer from accessing the Internet
Start screen
The screen easy after you sign into Windows 8 contains controls such as tiles that let you interact with the windows eight operating system
Charms bar
A set of buttons that appear on the right side of the windows eight screen that let you find and send information change your machine settings and turn off your computer when you display the charms bar the time and they appear on the left side of the screen
Live tile
Updated live Conson that appears on some apps tiles on the windows start screen including the weather app in the news app
Taskbar
Horizontal bar at the bottom of the Windows 8 desktop displays icons representing abs folders and files on the left in the notification area containing the date and the time and special program messages on the right
File explorer
Oh windows accessory that allows you to navigate your computers file hierarchy and manager your files and folders
Spreadsheet
A great composed of columns and Brose that create cells at the intersection you type data and formulas into cells
