Cps Flashcards
(24 cards)
What is hardware?
The physical components of a computer.
What is software?
Programs installed on a computer that perform tasks.
What is the fetch-decode-execute cycle?
The process a computer uses to perform tasks by continually running instructions.
What is binary?
A system using 1’s and 0’s to represent data.
What is a central processing unit (CPU)?
The component that processes data, often referred to as the ‘brains’ of the computer.
How does binary represent data?
Using transistors that have two states: on (1) or off (0).
What is Random Access Memory (RAM)?
Memory that stores data currently in use, allowing quicker access than from HDD/SSD.
What is secondary storage?
Memory used to store data permanently, retained even when the power is off.
What are input devices?
Devices used to enter data into a computer, e.g. mouse, keyboard.
What are output devices?
Devices that communicate data from the computer to the user, e.g. speaker, monitor, printer.
What are storage devices?
Devices used to store data on the computer.
What is a pixel?
A tiny dot on an image; millions make up a single image.
What is colour depth?
The range of colours that can be displayed in an image.
What is resolution?
The number of pixels within an area of an image.
What is a byte?
8 bits of data.
What is a kilobyte?
1000 bytes.
What is a megabyte?
1000 kilobytes.
What is a gigabyte?
1000 megabytes.
What is a terabyte?
1000 gigabytes.
What is read-only memory (ROM)?
Memory that stores the computer bootup sequence and cannot be edited.
What does the power supply unit (PSU) do?
Supplies power to components on a computer.
Fill in the blank: A storage device with no moving parts is called _______.
[Solid state]
True or False: SSD is a type of magnetic storage.
False
True or False: The motherboard is the base component that other components are plugged into.
True
