System Tech Flashcards
(19 cards)
What is the function of the CPU?
It processes instructions and performs calculations — the “brain” of the computer.
What is the difference between HDD and SSD?
HDD = slower, mechanical; SSD = faster, no moving parts.
What does RAM do?
Temporarily stores data for programs while the computer is running.
Give 2 examples of output devices.
Monitor, printer, speakers.
What is system software?
Software that manages hardware and enables application software to run.
What are device drivers?
Software that helps the OS communicate with hardware devices.
Name 2 utility programs.
Antivirus software, disk cleanup tool.
What is the role of the operating system?
It manages hardware, runs applications, and provides a user interface.
How does more RAM improve performance?
Allows more programs to run at once without slowing down.
Why is an SSD faster than an HDD?
No moving parts — data is accessed electronically instead of mechanically.
What can slow down a computer system?
Too many background apps, low RAM, overheating.
What does a NIC do?
Connects a computer to a network (wired or wireless).
What’s the purpose of a router?
Connects multiple devices to a network and routes internet traffic.
What is cloud computing?
Storing and accessing data/apps via the internet.
What is green computing?
Using technology in an environmentally friendly way.
What are biometrics?
Security that uses physical features — like fingerprints or facial recognition.
Why are backups important?
They protect data in case of loss or damage.
What does antivirus software do?
Scans for and removes malware.
Why should you update software regularly?
To fix bugs and protect against security threats.
