Operating System

11.The function of Dir/W is-
a.
b.
c.
d.

Option “B” is correct.
The function of Dir/W is Displays only filenames and directory names (without the added information about each file) in a five-wide display format. Dir c:*. This form of the DIR command will also display directories. They can be identified by the DIR label that follows the directory name.
12.Page stealing-
a.
b.
c.
d.

Option “B” is correct.
Page stealing is taking page frames from other working sets. When pure demand paging is used, pages are loaded only when they are referenced.
13.What do you mean by dialog box?
a.
b.
c.
d.

Option “D” is correct.
In Microsoft Windows, when you right-click a file and choose Properties, you are presented with the Properties dialog box. You can press Esc to cancel or close a dialog box. If the Esc key does not work, click the Cancel button or X button if available.
14.Dial up connection allows you to-
a.
b.Internet
c.Server
d.

Option “A” is correct.
A dial-up connection is established when two or more communication devices use a public switched telephone network (PSTN) to connect to an Internet service provider (ISP).
15.To properly exit Windows-
a.Click the stop button on the desktop
b.
c.
d.

Option “C” is correct.
The shut down button is located on the bottom-right side of the Start Menu. If you click on the arrow near Shut down, you can find other related options, all of which can be set as the default.
16.How can you optimize performance of your computer?
a.
b.
c.
d.

Option “D” is correct.
• Uninstall unnecessary software.
• Limit the programs at startup.
• Add more RAM to your PC.
• Check for spyware and viruses.
• Use Disk Cleanup and defragmentation.
• Consider a startup SSD.
• Take a look at your web browser.
17.What is the purpose of the scandisk function.
a.
b.
c.
d.

Option “D” is correct.
Scandisk is a Windows utility used to check your hard disk for errors and to correct problems that are found. These errors often occur when Windows locks up and must be restarted. To run Scandisk in Windows 95 and NT, click the Start button, select Programs, then Accessories, then System Tools, and then Scandisk.
18.Recently used application file list appears in the Windows operating system-
a.
b.
c.
d.

Option “B” is correct.
Recently used application file list appears in the Windows operating system Documents menu. Traditionally, the Start menu provided a customizable nested list of programs for the user to launch, as well as a list of most recently opened documents, a way to find files and obtain assistance, and access to the system settings.
19.
……. are specially designed computer chips that reside inside other devices, such as your car or electric thermostat.
a.Server
b.
c.
d.Mainframes

Option “B” is correct.
Embedded systems are a cornerstone of the electronics industry today. An embedded system is a computer or processor based system that has been designed for a specific purpose.
20.
The title bar always displays on-
a.
b.
c.
d.

Option “A” is correct.
The title bar at the top of a window displays an application-defined icon and line of text. The text specifies the name of the application and indicates the purpose of the window. The title bar also makes it possible for the user to move the window using a mouse or other pointing device.
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