What is an operating system?

• A. A hardware device

• B. The most important program that runs on your computer

• C. A type of application software

• D. A peripheral device

Which of the following tasks is NOT performed by an OS?

• A. Recognizing input from the keyboard

• B. Sending output to the monitor

• C. Installing new applications automatically

• D. Controlling peripheral devices

Which type of operating system allows one user to do one task at a time?

• A. Multi-user, multi-task

• B. Real-time OS

• C. Single-user, single-task

• D. Single-user, multi-task

Which OS type allows multiple users to run programs at the same time?

• Single-user, single-task

• Multi-user, multi-task

• Real-time OS

• Single-user, multi-task

Real-time operating systems are commonly used in:

• Gaming PCs

• Industrial machinery and scientific instruments

• Laptops

• Smartphones

Which OS type allows a single user to run several programs simultaneously?

• A. Single-user, single-task

• B. Multi-user, multi-task

• C. Single-user, multi-tasking

• D. Real-time OS

Which of the following is an example of a single-user, multi-tasking OS?

• A. MS-DOS

• B. Windows

• C. RTOS

• D. Unix for mainframes

What is the purpose of an OS in relation to application programs?

• A. It runs hardware only

• B. It provides a software platform for applications to run

• C. It replaces the applications

• D. It manages only input devices

Which OS function manages memory to prevent processes from interfering with each other?

• A. Booting

• B. File management

• C. Memory storage and management

• D. GUI interface

Which type of memory temporarily stores recently accessed data for fast retrieval?

• ROM

• Cache memory

• Virtual memory

• Hard drive