Operating System

61.Save operation means-
a.
b.
c.
d.

Option “C” is correct.
Computers use main memory such as random access memory (RAM) and cache to hold data that is being processed. However, this type of memory is volatile – it loses its contents when the computer is switched off.
62.
CAD software is most likely to be used by-
a.
b.Engineers
c.
d.

Option “B” is correct.
Computer-aided design (CAD) is the use of computer systems to aid in the creation, modification, analysis, or optimization of a design. CAD software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing.
63.A spooler is a-
a.
b.
c.
d.

Option “C” is correct.
A program that controls spooling — putting jobs on a queue and taking them off one at a time. Most operating systems come with one or more spoolers, such as a print spooler for spooling documents. In addition, some applications include spoolers. Many word processors, for example, include their own print spooler.
A good print spooler should allow you to change the order of documents in the queue and to cancel specific print jobs.
64.The problem with …. file is that they slow your computer’s operation-
a.Fragmented
b.Formatted
c.Program
d.

Option “A” is correct.
In computer storage, fragmentation is a phenomenon in which storage space is used inefficiently, reducing capacity or performance and often both. The exact consequences of fragmentation depend on the specific system of storage allocation in use and the particular form of fragmentation.
65.User action such as keystroke or mouse click are referred to as-
a.Interrupt
b.
c.Processes
d.Event

Option “D” is correct.
Events are user actions such as key press, clicks, mouse movements, etc., or some occurrence such as system generated notifications. Applications need to respond to events when they occur.
66.Which of the following separates primary file and extension is-
a.Dot
b.Period
c.Point
d.

Option “D” is correct.
This refers to the parent directory of your working directory, immediately above your working directory in the file system structure. If one of these is used as the first element in a relative path name, it refers to your working directory.
67.
In Microsoft windows, the graphical pattern on the desktop used as background for windows is-
a.Icons
b.
c.Picture
d.Background

Option “B” is correct.
More commonly referred to as a desktop background in Windows, a wallpaper is an image that is used as a backdrop on any graphical user interface that has a desktop. More plainly, it is the picture or pattern you see on the main screen after your computer has booted up.
68.All of the following are task performed by the operating system except-
a.
b.
c.
d.

Option “C” is correct.
Performing housekeeping task like file compression and disk defragmentation. An operating system is software which performs all the basic tasks like file management, memory management, process management, handling input and output and controlling peripheral devices such as disk drives and printers.
69.Which of the following is not an operating system?
a.
b.Unix
c.Pascal
d.

Option “C” is correct.
Apple Pascal is an implementation of Pascal for the Apple II and Apple III computer series. It is based on UCSD Pascal. Just like other UCSD Pascal implementations, it ran on its own operating system (Apple Pascal Operating System, a derivative of UCSD p-System with graphical extensions).
70.Operating system is like a-
a.Government
b.Police
c.Parliament
d.

Option “A” is correct.
The operating system provides the basic rules, conventions, protections, and services necessary for the functioning of application programs such as editors, spreadsheets, browsers, and games.
Government plays a similar role in the functioning of a modern society. Government furnishes the rules, conventions, protections, and basic services necessary for the smooth functioning and interactions of businesses and individuals.
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