parts of computor Flashcards
a system that helps organizations coordinate, control, analyze, and visualize information in order to make decisions.
Management Information Systems(MIS)
an electronic device that manipulates information or data. It has the ability to store, retrieve, and process data.
Computer
any physical device needed. Anything that you can touch.
Computer hardware
a device that connects to the system unit and is controlled by
the processor in the computer.
Peripherals
any hardware component that allows you to enter data and instructions into a computer, like a keyboard or mouse.
Input device
is any hardware device that shows or displays information from your computer, like a monitor or printer
Output device
refers to the programs and applications that run on a computer or other electronic devices.
Computer software
Microsoft Word
Outlook
Chrome
Google Doc
Powerpoint
4/5 Examples of software
a collection of software that acts as an intermediary between the hardware of a computer and the applications or programs that users run.
Operating system
a way to interact with a computer or device using pictures, icons, and visual elements instead of just text commands.
Graphic User Interface (GUI)
is like the brain of the computer. It does all the thinking and processing of instructions, handling tasks and making sure everything works properly.
Central Processing Unit (CPU)
measures how fast a computer’s processor (CPU) can perform tasks or process instructions. For example, if a CPU has a speed of 1 Hertz, it means it can perform one operation per second.
Hertz
1MHz = 1,000,000
Megahertz
1GHz = 1,000,000,000Hz
Gigahertz
refers to where your computer keeps data and files, both temporarily and permanently. It’s like a filing cabinet where all your important information is stored.
Storage
The smallest unit of data, either a 0 or a 1.
Bits
A group of 8 bits that represents a single piece of data, like the character A.
Bytes
1KB = approx.1,000 bytes
Kilobytes
1MB= approx. 1,000,000 bytes
Megabytes
1GB= approx. 1,000,000,000 bytes
Gigabytes
1TB = approx. 1,000,000,000,000 byte
Terabytes
a large storage device inside your computer that keeps all your files, programs, and operating system even when the computer is turned off. It’s like a big filing cabinet where everything is stored permanently.
Hard Disk
A disc that stores data you can read but not modify. A CD-ROM is a type of disc that stores data, like a giant digital record. It’s read-only, which means you can use it to access information but can’t change or add to it.
CD-ROM
Permanent memory with instructions that don’t change.
ROM