Chapter 2 Vocab Flashcards
Computer (definition)
Is an electronic device that can perform calculations
Hardware
Is the physical stuff that you can touch or hold in your hand
Operating system (OS)
Controls the hardware and enables you to tell the computer what to do
Graphical user interface
The UI that offers images or icons to select (as opposed to making you type commands)
Applications
(Or programs) enable you to do specialized tasks on a computer, such as
- type a letter
- send a message from your computer in Houston to your friend’s computer in Paris etc.
Computing process (the most basic)
Hint: 3 stages
- input
- processing
- output
Input
Clicking the mouse, typing on the keyboard, or touching the touch screen.
Processing
The parts inside the device or case take over at that point as the operating system tells the hardware to do what you’ve requested
Central processing unit (CPU)
This is at the heart of every computing device. Usually a single, thin wafer of silicon and tiny transistors. The CPU handles the majority of the processing tasks and is, in a way, the “brain” of the computer.
Output
Once the computer has processed your request, it shows you the results by changing what you see on the display or playing a sound through the speakers.
Data storage
Means saving a permanent copy of your work so that you can come back to it later
Network connection
Often describes how one computer connects to one or more other computers
Ports
Connector points on the back on the pc. Some ports connect to output devices such as monitors. Other ports are exclusively used for input devices. USB handle input and output
Software
Any premade set of binary instructions that a CPU can read and react to is software. All applications are software. Any operating systems such as Microsoft Windows or apples iOS running on your iPhone are also software.
User interface (UI)
The software parts from which you can interact.
A visual representation of the computer on the monitor that makes sense to the people using the computer.
Compatibility concerns between OSs
Formats vary so widely that you can’t just install any program on any OS. Programmers do extra work to build separate versions of a program that can run on more than one OS.
Compatibility concern 2
Is whether a specific OS can communicate with a given piece of hardware.
File extension
.xlsx hidden by default , that tells the OS which application to use with the file.
file association
Pairing of application with file extensions
File explorer options
ComptTIA’s term for folder options is file explorer — enables you to make changes in default behavior with the tool. —- to get to folder options in windows 11, in the toolbar, click the three horizontal dots next to the view menu options and select options. In windows 10, select the view tab and click options.
C:\Program Files
Most programs install some or all of their essential files into a sub folder of the program files folder.
C:\Program Files (x86)
The 64 bit editions of windows create two directory structures for program files.
The 64 bit applications go into the C:\Program Files folder, whereas the 32-bit applications go into the C:\Program Files (x86)
The separation make it easy to find the proper version of whatever application you seek.
Spaces
Term Apple uses for multiple desktops in MacOS