Terms in this set (36)
What is a computer?
an electronic device that manipulates information, or data
What are the 3 abilities a computer has?
store, retrieve, and process data
What is hardware?
any part of your computer that has a physical structure , such as the keyboard or mouse
What is Software?
any set of instructions that tells the hardware what to do and how to do it
List the different types of computers.
Desktop, Laptop, Tablet, Servers, Smartphones, Wearables (fitbit), game consoles, TV's.
What are the two main styles of desktop computers?
PC and Mac
What are the 5 basic parts of a desktop computer?
computer case, monitor, keyboard, mouse, and power cord
What is a compute case?
the metal and plastic box that contains the main
components of the computer, including the motherboard, central processing unit (CPU), and power supply
What does the video card in a monitor do?
display images and text on the screen
What is a motherboard?
the computer's main circuit board
What is the CPU (Central Processing Unit) and
what does it do?
The brain of the computer, and its job is to carry out commands (on the motherboard. ).
How is a processor's speed measured?
in megahertz (MHz), or millions of instructions per second; and gigahertz (GHz), or billions of instructions per second
What is RAM (Random Accessory Memory)?
system's short-term memory.
Whenever your computer performs calculations, it temporarily stores the data in the RAM until it is needed.
How is RAM measured?
megabytes (MB) or gigabytes (GB)
What happens if you don't
have enough RAM?
computer is sluggish when you have
several programs open
What is the hard drive?
Where software, documents, and other files are stored. The hard drive is long-term storage, which means the data is still saved even if you turn the
computer off or unplug it.
What is a Video Card?
Component that is responsible for what you see on the monitor
What is a sound card?
also called an audio card—is responsible for
what you hear in the speakers or headphones
What is a network card?
allows your computer to communicate over a network
and access the Internet
What is a Bluetooth card?
technology for wireless communication over short
What is a USB flash drive?
External hard drive
What is a laptop?
a personal computer that can be easily moved
and used in a variety of locations
What are the 5 main differences in a laptop?
Touchpad, battery, ac adapter, ports, price
What is a mobile device?
general term for any type of handheld computer
What are 3 examples of a mobile device?
Tablet computers, e-readers, smartphones
What is an Operating System?
the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software
and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language
What are the 3 types of operating systems?
Microsoft Windows, Mac OS X, and Linux
What are 2 examples of operating systems for mobile devices?
Apple iOS and Google Android
What is an application (app)?
a type of software that allows you to perform specific tasks
Where does an application run when you open it?
inside the operating system until you close it
What is the cloud?
What are 2 main reasons to use the cloud?
convenience and reliability
What is a web application (app)?
run in the cloud and do not need to be installed on your computer
What is malware?
any type of software that is designed to damage your computer or gain unauthorized access to your personal information
What is antivirus software?
helps to prevent malware from being installed, and it can also remove malware from your computer
What are 4 basic steps to start with when troubleshooting?
•Write down your steps
•Take notes about error messages
•Always check the cables
•Restart the computer
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