Which of the following is an input device?

• Printer

• Monitor

• Keyboard

• Speaker

What is the main purpose of an I/O system?

• Increase screen resolution

• Handle power management

• Manage communication between hardware and software

• Improve CPU clock speed

What is buffering in I/O management?

• Deleting unused files

• Printing documents

• Temporarily storing data during transfer

• Compressing files

Which I/O management technique allows multiple jobs to share the same device?

• Buffering

• Caching

• Spooling

• Swapping

Which of the following is a block device?

• Mouse

• Printer

• Hard disk

• Keyboard

In disk scheduling, which algorithm services the request with the shortest seek time first?

• FCFS

• SSTF

• SCAN

• LOOK

Which device is an example of a communication device?

• SSD

• RAM

• Network Card

• CPU

What does asynchronous I/O mean?

• Data is transferred using real-time clocks

• Sender waits for receiver

• Data is transferred independently, without waiting

• Devices must operate on the same frequency

What is the primary function of a device driver?

• Improve graphics

• Interface between hardware and the OS

• Boost memory

• Encrypt files

Which disk scheduling algorithm behaves like an elevator moving up and down floors?

• FCFS

• SSTF

• SCAN

• C-SCAN