Computer Science Concepts Quiz

What causes a deadlock?

• Proper file saving

• Conflicting resource requests

• Reading a book

• Using USB

What is a semaphore used for?

• To print documents

• To manage concurrent processes

• To open folders

• To turn off the computer

What is the purpose of the Producer/Consumer problem?

• To sell products

• To demonstrate synchronization issues

• To play music

• To manage power supply

Which memory management technique divides memory into equal parts?

• Segmentation

• Virtual memory

• Paging

• Encryption

What is virtual memory?

• Physical hard drive

• Memory in the CPU

• Using disk as extra RAM

• Video memory

Which page replacement algorithm replaces the oldest page?

• LRU

• Optimal

• FIFO

• Random

What is 'thrashing' in memory management?

• Fast execution

• Constant page swapping

• Virus attack

• File loss

What is I/O buffering?

• Playing music

• Temporarily storing I/O data

• Making backups

• Formatting drives

Which disk scheduling algorithm picks the closest job next?

• SSTF

• FCFS

• LRU

• Optimal

What is a file directory used for?

• Playing games

• Organizing files

• Deleting memory

• Watching videos