What is computer
an electronic device that manipulates data, and performs tasks.
What are the 5 hardware categories?
Input output storage communication processing
Explain the function of a system unit
a protective case that contains all the internal hardware of the computer
Define scanner
A piece of equipment that Converts pictures/text from hardcopy to digital copy so it can be edited on computer
Define multifunction device
A printer, fax, scanner all built into one unit. It saves space and is convenient.
What is computer hardware
Physical parts or components of a computer that you can see and touch
What is a laptop?
a computer that is portable and suitable for use while traveling
What are the two types of software?
Operating system software and application software
Define software
set of instructions that tells the hardware what to do
A webcam belongs to what type of hardware?
input hardware category
What does CPU stand for
Central Processing Unit
What is a USB flash drive?
A small removable data storage device. It can store small amount of data and is portable.
What is the function of a motherboard?
A main board of the computer that has many chips on it. This makes the computer work. It is also where the memory and the processing are found.
What is a Printer
A machine that converts softcopy to hardcopy
Give me the function of keyboard
Manually enters data into the computer.
What is the role of the CPU
execute program instructions, control the speed of the computer and is responsible for calculations on data
What is RAM?
Random Access Memory - stores data temporarily, or is Volatile, it is also known as the main memory of the computer
What does VDU stand for
Visual Display unit
what is the function of a monitor
allows users to view or see what is being entered into the computer
What is ROM
Read only Memory, contains permanent instructions and stores start up programs.
Explain the function of digital camera
Captures still images, can be transferred to a computer using a usb cord, and can be edited on the computer
What is Volatile and non volatile
Volatile means temporary, non-volatile means permanent.
Differentiate internal hardware and external hardware
Internal: hardware components that are found inside the system unit.
External: hardware components that are connected to the computer system unit.
Define Power supply
A component that supplies electricity for the computer in order for it to work, it converts AC to DC
Explain the function of a mouse
directs the cursor on the screen by pointing and clicking