Computer And IT (Railway)

Total Questions: 50

11. What is the part of the programming code called which is inserted into a program to cause damage? [RRB-CBT for ALP & Technicians Exam, 22.01.2019 Shift-I]

(1) Viral
(2) Virus
(3) Malware
(4) Spam

Correct Answer: (2) Virus

Solution:A virus is a piece of programming code inserted into other programming to cause damage. Virus can be sent in many forms but are often transmitted via email messages that when opened may erase data or cause damage to your hard disk.

12. A file which is to archive and compress them into one file of smaller size using a program is called as___________. [RRB-CBT for ALP & Technicians Exam, 22.01.2019 Shift-I]

(1) SSL
(2) ZIP
(3) SAAS
(4) SEO

Correct Answer: (2) ZIP

Solution:ZIP is a common file format that's used to compress one or more files together into a single location.

13. ___________software used to maintain the security of a private network. [RRB-CBT for ALP & Technicians Exam, 22.01.2019 Shift-I]

(1) encription
(2) Malware
(3) clickbat
(4) Firewall

Correct Answer: (4) Firewall

Solution:A firewell is a software used to maintain the security of a private network. It prevents unauthorised internet users from accessing private networks connected to the internet.

14. A/An___________is an interface on a computer to which you can connect a device. [RRB-CBT for ALP & Technicians Exam, 22.01.2019 Shift-I]

(1) anime
(2) dongle
(3) port
(4) array

Correct Answer: (3) port

Solution:In computer hardware, a part serves as an interface between the computer and other computers or peripheral devices.

15. A software program that has been developed to harm other computers is called a/an____________. [RRB-CBT for ALP & Technicians Exam, 22.01.2019 Shift-I]

(1) operating system
(2) LAN
(3) Malware
(4) Server

Correct Answer: (3) Malware

Solution:A software program that has been developed to harm other computers is called a malware. Malware is Malicious software. Viruses, Trojans, sphyware and ransomware are also malware.

16. In the context of computers, tracker balls is a/an __________ device. [RRB NTPC CBT-1 Exam, 30.12.2020 (Shift-I)]

(1) storage
(2) procesing
(3) input
(4) output

Correct Answer: (3) input

Solution:A trackball is an input device which comprises of an exposed protruding ball held by a socket having sensors for detecting the ball's rotation.

• There are usually one or two buttons provided with a trackball that have the same capability as click buttons on a mouse.

17. What is the full form of DHCP in networking system? [RRB NTPC CBT-1 Exam, 30.12.2020 (Shift-I)]

(1) Dynamic Host Configuration Protocol
(2) Data Host Control Panel
(3) Dynamic Host Control Point
(4) Display House Control Protocol

Correct Answer: (1) Dynamic Host Configuration Protocol

Solution:Dynamic Host Configuration Protocol (DHCP) is a network management protocol used to automate the process of configuring devices on IP networks.

• DHCP services exist for networks running Internet Protocol version 4 (IPv4), as well as version 6 (IPv6). The IPv6 version of the DHCP protocol is commonly called DHCPv6.

18. What is URL? [RRB NTPC CET-1 Exam, 07.01.2021 (Shift-II)]

(1) Address of the web page displayed on the internet
(2) A web browser
(3) A computer software
(4) Searching engine

Correct Answer: (1) Address of the web page displayed on the internet

Solution:A URL (Uniform Resource Locator) is a unique identifier used to locate a resource on the Internet.

• The URL contains the name of the protocol needed to access a resource, as well as a resource name.

• The first part of a URL identifies what protocol to use as the primary access medium. The second part identifies the IP address or domain name.

19. Who coined the word "Artificial Intelligence?" [RRB NTPC CBT-1 Exam, 07.01.2021 (Shift-II)]

(1) John Berger
(2) Charles Bachman
(3) John McCarthy
(4) David Bradley

Correct Answer: (3) John McCarthy

Solution:John McCarthy, who coined the term in 1956, defines it as 'the science and engineering of making intelligent machines'.

• The modern definition of artificial intelligence (or Al) is the study and design of intelligent agents where an intelligent agent is a system that perceives its environment and takes actions which maximizes its chances of success.

20. Which of the following is an application software? [RRB NTPC CBT-1 Exam, 07.01.2021 (Shift-II)]

(1) LINUX
(2) UNIX
(3) macOS
(4) Graphics

Correct Answer: (4) Graphics

Solution:Application software is commonly defined as any program or number of programs designed for end-users.

• Graphic art software is a subclass of application software used for graphic design, multimedia development, stylized image development, technical illustration, general image editing, or simply to access graphic files.

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