Operating Systems Challenge: Kernels, Commands, and Computing History

Question 1

Which operating system introduced the Registry as a central hierarchical configuration database, replacing many scattered INI files?

Accepted Answer

Windows 95

Answer

MS-DOS 6.22

Answer

OS/2 Warp

Answer

Windows 3.1

Question 2

In Unix-like systems, the process with PID 1 is traditionally responsible for adopting orphaned processes.

Accepted Answer

True

Answer

False

Question 3

Which scheduling approach is specifically designed to improve fairness by approximating an ideal multitasking CPU shared equally among runnable tasks?

Accepted Answer

Completely Fair Scheduler

Answer

First-Come, First-Served

Answer

Round Robin

Answer

Shortest Job First

Question 4

The Linux kernel and the GNU operating system were originally created by the same person.

Accepted Answer

False

Answer

True

Question 5

Which file system feature allows a system to recover more quickly after a crash by recording intended metadata changes before they are fully committed?

Accepted Answer

Journaling

Answer

Defragmentation

Answer

Swap partitioning

Answer

RAID striping

Question 6

In classic Mac OS before Mac OS X, cooperative multitasking meant applications had to voluntarily yield control to let others run.

Accepted Answer

True

Answer

False

Question 7

Which command-line utility on many Unix and Linux systems is commonly used to display the current routing table?

Accepted Answer

netstat

Answer

passwd

Answer

grep

Answer

chmod

Question 8

Which memory-management concept allows a process to use more address space than physically available RAM by relying on disk-backed pages?

Accepted Answer

Virtual memory

Answer

Direct memory access

Answer

Segmentation fault

Answer

Instruction pipelining

Question 9

Android is based directly on the BSD kernel rather than the Linux kernel.

Accepted Answer

False

Answer

True

Question 10

Which of these operating systems is most closely associated with a microkernel design philosophy in its original architecture?

Accepted Answer

MINIX 3

Answer

MS-DOS

Answer

Windows 98

Answer

CP/M

Operating Systems Challenge: Kernels, Commands, and Computing History

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