Operating System

51.Which is not a system tool?
a.Folder
b.Backup
c.Scandisk
d.Format

Option “A” is correct.
In computers, a folder is the virtual location for applications, documents, data or other sub-folders. Folders help in storing and organizing files and data in the computer. The term is most commonly used with graphical user interface operating systems.
52.A utility that can be used to minimize the number of fragmented files and enhance the speed-
a.
b.Defrag
c.Scandisk
d.

Option “B” is correct.
A utility that can be used to minimize the number of fragmented files and enhance the speed Defrag. To defragment a disk, defragmentation software (also known as a “defragmenter”) can only move files around within the free space available.
53.To change the volume label-
a.Vol
b.Label
c.
d.None

Option “B” is correct.
How to Change the Volume Label. Renaming a volume is easy to do from both Command Prompt and through Windows Explorer or Disk Management. Open Disk Management and right-click the drive you want renamed. Choose Properties and then, in the General tab, erase what’s there and put in your own volume label.
54.Which of the following is a disk compression tools?
a.
b.Defragmenter
c.Scandisk
d.

Option “A” is correct.
The purpose of Drive Space is to increase the amount of data the user could store on disks by transparently compressing and decompressing data on-the-fly. It is primarily intended for use with hard drives, but use for floppy disks is also supported. This feature was removed in Windows XP and later.
55.To save your computer from viruses you will do-
a.
b.
c.
d.

Option “A” is correct.
Antivirus software, or anti-virus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses,
56.Which of the following is used to display the content of a certain drive or folder?
a.
b.
c.
d.

Option “D” is correct.
On most systems, double-clicking an icon in the file manager will perform a default action on the object represented by the icon. Double-clicking an application program will launch the program, and double-clicking a file icon will open the file in a default application for that file’s type or format.
57.Which of the following file menu option saves document to disk?
a.Save
b.Create
c.Rename
d.

Option “A” is correct.
Save is writing data to a storage medium, such as a floppy disk, CD-R, USB flash drive, or hard drive. The save option is found in almost all programs commonly under the “File” drop-down menu or through an icon that resembles a floppy diskette.
• New – create a new file or folder.
• Open – open a particular file or folder.
• Save: save the file.
• Save As: enabled to save the file with changes in the name of another file.
• Print: used to give print command.
• Exit: used to close the application and exit.
58.Booting means-
a.
b.
c.
d.

Option “A” is correct.
To boot a computer is to load an operating system into the computer’s main memory or random access memory (RAM). Once the operating system is loaded, it’s ready for users to run applications.
59.When you rename a file five times then the number of file in the disk is-
a.1
b.2
c.3
d.5

Option “A” is correct.
The number of file in the disk is one. In computing, disk file systems are file systems which manage data on permanent storage devices. As magnetic disks are the most common of such devices, most disk file systems are designed to perform well in spite of the seek latencies inherent in such media.
60.When you open my computer on desktop you see the information of-
a.
b.CD
c.
d.

Option “D” is correct.
When you open my computer on desktop you see the information of Hard disk, CD, Removable disk. All primary computer hard drives are found inside a computer case and are attached to the computer motherboard using an ATA, SCSI or SATA cable. Hard drives are powered by a connection to the PSU (power supply unit).
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