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ICT Exam
Question | Answer |
---|---|
an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. | computer |
any part of the computer that has a physical structure ex. Keyboard | hardware |
any set of instructions that tells the hardware to do | software |
a non portable computer | desktop |
a portable computer, personal computer | laptop |
handheld computers, touch screen | tablet |
serves info to other computers on a network | server |
introduced in 1981, most common personal computer, windows | PC |
introduced in 1984, first widely sold personal computer, OS X | Mac |
manages the computer’s memory, processes, and all its software and hardware. Allows you to communicate with the computer without knowing its language. | operating system |
Brain of computer, processes info | CPU central processing unit |
a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, as opposed to text-based interfaces, typed command labels or text navigation | GUI or Graphical User Interface |
is a user interface to a computer's operating system or an application in which the user responds to a visual prompt by typing in a command on a specified line, receives a response back from the system, and then enters another command, and so forth | Command Line Interface |
a type of software that allows you to perform specific tasks. For desktop or laptop computers the are sometimes called desktop applications, and those for mobile devices are called mobile apps. | Applications |
works with a video card, located inside the computer case to display images on the screen | Monitor |
Liquid crystal display | LCD |
Light-emitting displays | LED |
one of the primary ways we communicate with the computer and enter data. There are many different types, including wired, wireless, ergonomic, and multimedia. | Keyboard |
The mouse is a peripheral that is known as a pointing device. It lets you point to objects on the screen, click on them, and move them. There are two main types of mice: optical and mechanical. | Mouse |
has a ball on top that can rotate freely. Instead of moving the device like a mouse, you can roll the ball with your fingers to move the pointer. Some mobile devices have miniature trackballs that can be controlled with your thumb. | Trackball |
a touch-sensitive pad that lets you control the pointer by making a drawing motion with your finger. Touchpads are common on laptop computers. | Touchpad |
used to print documents, photos, and anything else that appears on your screen. There are many types of printers available, including inkjet, laser, and photo printers. You can also buy an all-in-one printer, scanner, and copier. | printer |
contains the most important parts of the computer | Motherboard |
Short term memory used when calculating | RAM or Random Access Memory |
stores data over a long period of time | Hard Drive |
Cards inserted to get better graphics, sounds, Wi-Fi | expansion cards |
the front of the case usually has an on/off switch and one or more optical drives. | Optical Drives |
On most desktop computers, most of them are on the back of the computer case. Generally, you'll want to connect your mouse and keyboard to these ports and keep the front ports free so they can be used for digital cameras and other devices. | USB Port |
supplies the computer with power | Power Supply |