ICT and Computing Fundamentals Flashcards

What is the function of RAM in a computer?

Answer: Temporarily stores data currently being used by the CPU

RAM (Random Access Memory) temporarily holds data and programs that the CPU is actively using, and its contents are lost when the computer is switched off.

Which network allows computers within a single building or campus to share resources?

Answer: Local Area Network (LAN)

A LAN (Local Area Network) connects computers within a limited area such as a home, school, or office building to share data and resources.

Which of the following is an example of an output device?

Answer: Printer

A printer is an output device because it produces a physical (hard copy) result from data processed by the computer.

What is the role of an operating system?

Answer: To manage hardware resources and provide a user interface

An operating system (such as Windows or Linux) manages the computer's hardware, runs other software, and provides the interface through which users interact with the machine.

Which file extension is commonly associated with image files?

Answer: .jpg

.jpg (JPEG) is a widely used file format for storing compressed digital images.

What does a modem do?

Answer: Converts digital signals to analog signals and vice versa for internet transmission

A modem modulates and demodulates signals, converting digital computer data into analog signals for transmission over telephone lines and converting them back on the receiving end.

Which of the following is NOT a type of computer virus?

Answer: Firewall

A firewall is a security tool designed to block unauthorized access — it protects against viruses rather than being one itself.