OSCIT Computer Operating System Online Test, OSCIT Mock Test 2025

Which of these is a function performed by operating system?

__ operating system parcels out CPU time slices to each program.

_____________ is also called parallel processing.

Which of these is not a real-time operating system?

Which file system is used by Windows 98?

Which of the following can be used for enterprise networks?

FAT stands for _______________.

The conventional DOS naming scheme is sometimes called _____ naming.

NTFS stands for ______________.

Windows 2000 uses ____________ file system.

Which of these is a feature offered by UNIX?

Each entry in a directory is __________ long.

In DOS, _________ is used to change the current directory to the parent of the one we
are in.

.. entry in the root directory contains ____________.

A file with an extension of JPG is a/an ______________.

In DOS, file attributes can be modified using ________ command.

The process of optimizing the disk by rearranging the files so that they are contiguous, is
called ________________.

Recycle Bin contains _________________.

The Norton’s utility for defragmentation of disk is ___________.

Size of each FAT entry in FAT32 file system is ___ bits.

To change the size of the primary DOS partition, _____________________.

In DOS, _____________ can be used to see the partition information for the system.

_____________ formats C: with a cluster size of 1 KB.

Which of the following commands makes a hard disk unreadable?

RAID level 0 uses a disk file system called a ___________.

Damage caused by a virus is called ___________.

Polymorphic viruses __________________.

Stealth viruses _____________________.

_________________ is based on checksum to detect viruses.

Which of these file extensions denotes an archive?

A self-extracting Zip file is a ________ file that includes both a Zip file and software to
extract the contents of the Zip file.

Scandisk is in _____________ folder on the start menu.

If a volume has less than 15% free space, defrag will _____________________.

defrag volume /a command displays _______________.

The ______________ is the base window for the Windows program.

The name of the window, application or document appears in the _______________.

To quit an application in Windows XP, ___________ is used.

The ______ offers all kinds of configuration options for many desktop features.

While specifying the path of a file in Windows, enclose the path in ____________ if the
file name contain spaces.

When one deletes a document from the Documents section, _________________.

The __________ on the Task bar displays the time as well as Quick start buttons for
various programs.

In Windows XP, Help can be accessed by pressing ____.

In Windows XP, if there is a need to remove all the files in the Recycle Bin, click on
____________________.

____________ gives access to all of the drives of the computer.

To remove a drive-letter assignment in Windows XP, use ______.

In Windows Explorer, Paste option is in __________ menu.

In ‘Help’ option of Windows XP, ____________ tab is used to browse through topics by
category.

Use ______________ to remove unneeded files.

To add time and date components in a Notepad file, click ____________ on the Edit menu.

___________ is used to set tab stops in WordPad.

To add current time and date in a WordPad file, click ____________ on the Insert menu.

Which program is required to read a PDF document?

If the user gets a blank page when opening a PDF document, he/she
should____________________.

The left pane of the Windows Explorer Screen shows the____.

Which menu command is used to sort the icons by name, size, date, and type?

Add or Remove Programs dialog box can be opened from _______________.

Which of the following is an edition of Windows Vista?

AERO stands for __________________.

In the Tiled mode of desktop background, __________________.

In Windows Vista, the ______________ color scheme allows users to quickly switch to a
black and white text version of the screen they are viewing.