Railway Science (Computer – Operating System)

Total Questions: 11

1. MS-DOS is an operating system that has a/an: [RRB NTPC CBT - I (22/01/2021) Evening]

Correct Answer: (a) Command Line Interface
Solution:

Command Line Interface - It connects a user to a computer program or operating system. CLI users interact with a system or application by typing in the text (commands). Voice user interface (VUI) using a mobile application or a website by using voice in addition to or instead of touch, keyboard or a mouse. DOS (Disk Operating System).

2. From the following options, identify the name of the user interface element that is found on desktops of a small blinking symbol or an arrow. [RRB NTPC CBT - I (03/02/2021) Evening]

Correct Answer: (b) Cursor
Solution:

It is found on desktops of a small blinking symbol or an arrow.

3. Cupcake, Donut, Eclair, Froyo and Gingerbread are codenames for different _______ versions. [RRB NTPC CBT - I ( 04/02/2021) Evening]

Correct Answer: (b) Android
Solution:

Examples of AndroidHoneycomb, Ice Cream Sandwich, Jelly Bean, Kitkat, Lollipop, Marshmallow, Nougat, Oreo, Pie.

4. An interface between the human user and the computer hardware is known as ____. [RRB NTPC CBT - I (05/02/2021) Morning]

Correct Answer: (b) operating system
Solution:

Operating System - It is an interface between a computer user and computer hardware. Examples -Microsoft Windows, Apple's macOS (formerly OS X), Chrome OS, BlackBerry Tablet OS, and flavors of Linux, an open-source operating system.

5. Which one of the following is not an operating system? [RRB NTPC CBT - I (10/02/2021) Evening]

Correct Answer: (d) Microsoft Office
Solution:

Microsoft Office is a suite of applications designed to help with productivity and completing common tasks on a computer.

6. Operating system of a computer is an example of: [RRB NTPC CBT - I (27/02/2021) Evening]

Correct Answer: (b) System software
Solution:

System software - Programs that manage the resources of the computer system and simplify applications programming.

7. Which of the following is NOT a type of desktop operating system ? [RRB NTPC CBT - I (02/03/2021) Morning]

Correct Answer: (c) Android
Solution:

It is a mobile operating system developed by Google. It is used by several smartphones and tablets.

8. Which of the following is an open source operating system to manage computer hardware and software ? [RRB NTPC CBT - I ( 09/03/2021) Evening]

Correct Answer: (c) Linux
Solution:

Linux - It was first released in 1991 by Linus Torvalds.

9. A/an ______ is required for booting a computer. [RRB NTPC CBT - I (27/3/2021) Evening]

Correct Answer: (c) Operating System
Solution:

It is system software that manages computer hardware, software resources, and provides common services for computer programs. Examples: Apple macOS, Microsoft Windows, Google's Android OS, Linux Operating System, UBUNTU and Apple iOS.

10. Which of the following is a multi - user operating system ? [RRB NTPC CBT - I (31/7/2021) Morning]

Correct Answer: (a) Unix
Solution:

Some examples of a multi - user OS are Unix, Ubuntu, MacOS, Windows and all Linux based OS.