Components of a computer system Flashcards
What is the main purpose of a computer?
To take data,process it and output it
A computer system consists of _____ and _____ to help it process data / complete tasks
Hardware and software
What is hardware and give examples?
The physical stuff such as the CPU,motherboard,monitor and printer.
What is software and give examples?
Programs and applications that a computer system runs such as the operating system, word processor or video game.
What is the difference between a dedicated system or a general purpose computer?
Dedicated systems control one particular function. General purpose are designed to perform many different tasks.
What are embedded systems?
They are built into other systems.
Embedded systems are often used as control systems.
What does that statement mean?
They monitor and control machinery so it can achieve a desired result.
Explain the embedded system in a dishwasher make sure to include: -what it's job is? -how it does it's job? -why does it do it?
In a dishwasher the embedded systems control the water pumps and and release water mechanisms.
It also controls the water temperature.
This makes sure the dishwasher cleans the dishes efficiently.
Pro’s and cons of a dedicated system
Pros✔✔✔
- easier to design
- cheaper to produce 💲💲💲💲
- more efficient at their job ⚡⚡
Cons❌❌
-single purpose
Power supply
supplies power to the hardware
Case cooling fan
Extracts hot air from the computer case
CPU heat sink and cooling fan
Keeps the CPU at a steady temperature
CPU
Most important component as it does all of the processing
Optical drive
read/ writing of optical disks
RAM sticks
a.k.a computer memory