420. Which of the following program is not a utility?
Debugger
Editor
Spooler
All of the above
✅ The correct answer is option C.
423. The operating system creates _____ from the physical computer
Virtual space
Virtual computers
Virtual device
None
✅ The correct answer is option B.
426. Which of the following is a correct association between a vendor and an operating system
Redhat Linux
Microsoft Unix
AT & T DOS
Novell Linux
✅ The correct answer is option A.
429. Which of the following is not a video file extension?
.avi
.wav
.mpeg
.mov
✅ The correct answer is option B.
431. Which of the following is used to display the content of a certain drive or folder?
Click the drive or folder while holding down the Alt key
Triple click the drive or folder
Right click the drive or folder
Double click the drive or folder
✅ The correct answer is option D.
433. …… runs on a computer hardware and serves as a platform for other system to run on
Operating system
Application system
System software
All of above
✅ The correct answer is option A.
435. System generation:
is always quite simple
is always very difficult
varies in difficulty between systems
requires extensive tools to be understandable
✅ The correct answer is option C.
437. Most of the microcomputer’s operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because
they are memory resident
they are initially stored on disk
they are available on magnetic tapes
they are partly in primary memory and partly on disk
✅ The correct answer is option B.
439. UNIX operating system is a(n)
Time sharing operating system
Multi-user operating system
Multi-tasking operating system
All of the above
✅ The correct answer is option D.
402. Who is called a supervisor of computer activity?
Memory
Operating System
I / O Devices
Control Unit
✅ The correct answer is option B.