Hufflepuff
Define Computer and give 3 uses of it today
an electronic device that manipulates data, and performs tasks.
Use to type essays and do assignments
Use to watch movies and listen to music
Use to search for information on Google or internet
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
What does BOOT mean
To start up or turn on a computer
Define Mouse
Directs the cursor on the screen by pointing and clicking.
Define hardware and give 2 examples
Physical parts or components of a computer that you can see and touch.
keyboard, mouse, monitor, CPU, Motherboard, RAM and ROM etc
What does CRT stand for and give me one feature of this type of monitor
CATHODE RAY TUBE
It has a glass monitor like the old TV's and it is cheaper than LCD's
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
CPU contains two components, what are they, and what do they stand for?
Arithmetic Logic Unit (ALU) and Control unit (CU)
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 main function 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.
What are 3 environmental conditions for a computer system
Keep it cool, Keep it clean, Keep it dry, Keep it away from magnets, keep curtains closed,
What is Volatile and non volatile
Volatile means temporary, non-volatile means permanent.
Differentiate internal hardware and external hardware and give 2 examples for each
Internal: hardware components that are found inside the system unit.
CPU, motherboard
External: hardware components that are connected to the computer system unit.
Mouse, Keyboard, Printer
Define Power supply
A component that supplies electricity for the computer in order for it to work, it converts AC to DC
Explain Warm start and Cold start
Warm start means: Restarting the computer because of a malfunction or error.
Cold starts: Turning on the computer for the first time by pressing the power button.