41. When you rename a file five times then the number of file in the disk is
1
2
3
5
✅ The correct answer is A.
Operating System
42. All of the following are task performed by the operating system except
Managing hardware on the computer
Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation
Provides an interface for user to interact with computer
✅ The correct answer is C.
43. The function of Dir/W is
Show all details of file
Show only file name and directory name
Shows only directory
All of the above
✅ The correct answer is B.
44. To move to the beginning of a line of text, press the __________ key.
A
PgUp
Enter
Home
✅ The correct answer is D.
45. Which of the following is the extension of WordPad?
.ppt
.xls
.rtf
None of above
✅ The correct answer is C.
46. An operating system version designed for use with a tablet PC is Microsoft Windows XP
Home edition
Media center edition
Tablet PC edition
None of the above
✅ The correct answer is C.
47. The part of machine level instruction, which tells the central processor what has to be done, is
Operation code
Address
Locator
Flip-Flop
✅ The correct answer is A.
48. Which of the following does not occur during the power-on-self-test (POST)?
The scan disk utility begins to run
The video card and video memory are tested
The BIOS identification process occurs
Memory chip are checked to ensure that they are working properly
✅ The correct answer is A.
49. Which Operating System doesn’t support long file names?
OS / 2
Windows 95
MS-DOS
Windows NT
✅ The correct answer is C.
50. Paging
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
✅ The correct answer is A.