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30 Cards in this Set
- Front
- Back
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What are the four types of hardware computers?
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input devices, memory, CPU, and output devices
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What is the difference between RAM and ROM?
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ROM is the most basic memory software, RAM is temporary and data can be erased or changed in RAM
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What happens to RAM when the computer is turned off?
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it’s deleted
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What are some common external storage devices?
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flash drives, hard drives, and CD/DVD’s, cloud based networks
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What does CPU do?
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controls the order of tasks to be completed; acts as the brain of the computer
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What is a peripheral device?
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things that make your personal computer more versatile
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What are some common peripheral devices?
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mobile devices, speakers, headphones, microphones, camera, scanners, and printers.
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What is software?
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instructions stored as electronic data that tells the computer what to do
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What is a server?
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a computer that connects directly to the internet
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How does a server relate to a web page?
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files on that server’s hard drive
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Why are home computers called clients?
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because they are not directly connected to the internet
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What allows home computers to connect to the internet?
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ISP: Internet Service Provider
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What is a packet?
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a small piece of data sent via the internet
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What keeps information sent from one device on the internet to another from reaching the wrong destination?
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IP addresses and routers
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What do routers do?
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direct the flow of information around the internet
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What is a website?
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a collection of one or more web pages that relate to a common theme
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What is the first page you access on a web site called?
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home page, which acts like an index
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What are the three main ways to move around web pages or web sites?
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clicking a text link, clicking a hyperlinked graphic, or typing the URL of a web page in the location box
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How can you determine if a graphic is hyperlinked?
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cursor becomes hand and URL appears in the status bar
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What appears in the bottom of your web browser if text or a graphic is hyperlinked?
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URL appears in the status bar
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What does clicking on a graphic actually do?
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passes a URL to a web browser
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What can hyperlinks do in addition to taking you to new web pages?
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let you access media files such as audio or video clips
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Why is it important to type a URL exactly?
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if you type it incorrectly it will lead you to a different page
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What is a web browser?
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software that retrieves data from servers, assembles it and displays it as a web page
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What does a web browser do with the data it retrieves from a server?
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assembles it and displays it on a home page
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What are common examples of web browsers?
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google chrome, safari, internet explorer, or fire fox
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What are some common “useful buttons” on a browser tool bar?
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back, forward, share, add to reading list, refresh, downloads, and new tab
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Why was the domain name system invented?
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To help the flow of data; so people didn’t have to remember long strings of numbers
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What does the Domain Name System do?
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it takes our addresses (.com) and turns it into an IP address and vise versa
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List some common domain name suffixes.
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.com (Commercial
.org (Non-profit organizations) .gov (Government) .edu (Educational-high) .biz (Business) .net (Networks) .mil (Military) |
