Computer System Fundamentals Quiz

What is the main function of the CPU in a computer system?

• To store data

• To control all computer components

• To process data and execute instructions

• To display output on the screen

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

• Monitor

• Printer

• Keyboard

• Speaker

Which type of memory is volatile and loses its contents when the computer is powered off?

• ROM

• RAM

• Cache

• Hard Drive

Which of these devices is commonly used to convert digital data to analog for internet transmission?

• Switch

• Modem

• Router

• NIC

What does a router do in a computer network?

• Connects multiple networks and routes data between them

• Stores data permanently

• Manages input devices

• Encrypts data for secure transmission

Which type of computer is used for large-scale processing of scientific and engineering data?

• Mainframe

• Supercomputer

• Microcomputer

• Minicomputer

Which of the following is NOT an example of secondary memory?

• Hard Disk

• CD

• RAM

• USB Flash Drive

Which network topology connects all devices through a central device like a hub or switch?

• Star

• Bus

• Ring

• Mesh

What is the primary difference between a half-duplex and full-duplex communication system?

• Half-duplex allows two-way communication at the same time, while full-duplex only allows one-way communication at a time.

• Half-duplex allows one-way communication, while full-duplex allows two-way communication at the same time.

• Half-duplex is faster than full-duplex.

• There is no difference between the two.

Which of the following is an example of an impact printer?

• Inkjet Printer

• Laser Printer

• Dot Matrix Printer

• Thermal Printer