Computer Hardware Flashcards
Define what computer hardware is
It is the collection physical parts that create a computer system
Define what computer software is
It is a series of code that runs on the hardware and takes the form of programs or applications
Define what an embedded system is
It is a computer system built into a device, such as a TV or microwave
What is the use of an embedded system?
Often the use is as a control system. So they monitor and control machines to do a desired task.
What is the benefits or using an embedded system rather than a general purpose PC?
They are cheaper, more efficient and easier to design due to the fact they are dedicated to only one task
What is the purpose of a power supply in a PC?
To supply power to all hardware in the PC
What is the purpose of a optical drive in a PC?
To read and write optical disks
What is the purpose of a case cooling fan in a PC?
To extract hot air produced by the system out of the case
What is the purpose of a CPU heat sink and cooling fan?
Keeps the CPU cooled especially as it generates a lot of heat
What is the purpose of a CPU in a PC?
To process and do all functions of the PC ‘acts as the brain’
What is the purpose of a RAM stick in a PC?
So that programs can quickly access frequently used functions
What is the purpose of a HDD in a PC?
Stores any long term data or programs
What is the purpose of a graphics card in a PC?
A dedicated part to process any computer graphics to the monitor
What is the purpose of a motherboard in a PC?
The main circuit board where all the hardware is connected