165. Essential files of MS DOS are
Command.com
Io.sys
Msdos.sys
All of above
✅ The correct answer is option D.
167. The details of all external symbols and relocation formation (relocation list or map) is provided to linker by
Macro processor
Translator
Loader
Editor
✅ The correct answer is option B.
169. When was MS Windows operating system introduced?
1975
1985
1995
2000
✅ The correct answer is option B.
171. Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.
lengthened; shortened
shortened; lengthened
shortened; shortened
lengthened; lengthened
✅ The correct answer is option B.
174. Feed back queue
are very easy to implement
dispatch tasks according to execution characteristics
are used to favor real-time tasks
require manual intervention to implement properly
✅ The correct answer is option B.
177. Which is the layer of a computer system between the hardware and the user program
Operating environment
Operating system
System environment
None
✅ The correct answer is option B.
180. …… controls the way in which the computer system functions and provides a means by which users can interact with the computer
The platform
The operating system
Application software
The motherboard
✅ The correct answer is option B.
183. My Computer was introduced from
Windows 3.1
Windows 3.11
Windows 95
Windows 98
✅ The correct answer is option C.
186. The primary job of the operating system of a computer is to
command resources
manage resources
provide utilities
be user friendly
✅ The correct answer is option B.
189. A tiny dot of light on the monitor is called
Silicon chip
Optical illusion
Icon
Pixel
✅ The correct answer is option D.