Computer And IT (Railway)

Total Questions: 50

31. A/An _________is an interface between the user and hardware. [RRB NTPC CBT-1 Exam, 23.01.2021 (Shift-I)]

(2) operating system
(2) operating system
(3) screen
(4) command

Correct Answer: (2) operating system

Solution:An Operating System (OS) is an interface between a computer user and computer hardware.

• It 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.

32. Which of the following is a volatile memory? [RRB NTPC CBT-1 Exam, 25.01.2021 (Shift-I)]

(1) RAM
(2) EPROM
(3) ROM
(4) PROM

Correct Answer: (1) RAM

Solution:Volatile memory is computer memory that requires power to maintain the stored information.

• RAM (random access memory) used for primary storage in personal computers is volatile memory.

33. In Computer terminology, what is the full form of IDN? [RRB NTPC CBT-1 Exam, 25.01.2021 (Shift-I)]

(1) Internal Digital Networks
(2) Input Distributed Networks
(3) Internationalized Name Domain
(4) Intertwined Disc Networks

Correct Answer: (3) Internationalized Name Domain

Solution:An internationalized domain name (IDN) is an Internet domain name that contains at least one label that is displayed in software applications, in whole or in part, in a language-specific script or alphabet, such as Arabic, Chinese, Cyrillic, Devanagari, Hebrew or the Latin alphabet-based characters with diacritics or ligatures, such as French.

34. Non-volatile memory is a type of computer memory that can retain stored information even when the computer is: [RRB NTPC CBT-1 Exam, 25.01.2021 (Shift-I)]

(1) not processed
(2) intermittently powered
(3) powered
(4) not powered

Correct Answer: (4) not powered

Solution:Volatile memory is computer memory that requires power to maintain the stored information.

Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retain stored information even after power is removed.

35. The system that converts an IP address into an easy to remember format is called: [RRB NTPC CBT-1 Exam, 27.01.2021 (Shift-II)]

(1) Domain numbering system
(2) Domains
(3) Domain name system
(4) Packet-switching domain system

Correct Answer: (3) Domain name system

Solution:The Domain Name System (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses.

• The process of DNS resolution involves converting a host name (such as www.example. com) into a computer-friendly IP address (such as 192.168.1.1).

36. Which of the following is NOT as component of the Microsoft Office 2019 package? [RRB NTPC CBT-1 Exam, 27.01.2021 (Shift-II)]

(1) OneNote
(2) Outlook
(3) Excel
(4) Keynote

Correct Answer: (4) Keynote

Solution:OneNote, Outlook and Excel are components of Microsoft Office 2019 package.

• Keynote is a presentation software application developed as a part of the iWork productivity suite by Apple Inc.

37. Which of the following is NOT an operating system? [RRB NTPC CBT-1 Exam, 27.01.2021 (Shift-II)]

(1) Ubuntu
(2) Android
(3) Tally
(4) Mint

Correct Answer: (3) Tally

Solution:Tally is an ERP accounting software package used for recording day to day business data of a company.

• An Operating System can be defined as an interface between user and hardware. It is responsible for the execution of all the processes, Resource Allocation, CPU management. File Management and many other tasks.

38. Which of the following refers to protection of data against accidental or intentional dis closure to unauthorised persons, or unauthorised modification or destruction? [RRB NTPC CBT-1 Exam, 03.02.2021 (Shift-I)]

(1) Data security
(2) Privacy data
(3) Data redundancy
(4) Database

Correct Answer: (1) Data security

Solution:Data security is a set of standards and technologies that protect data from intentional or accidental destruction, modification or disclosure.

• The primary aim of data security is to protect the data that an organization collects, stores, creates, receives or' transmits.

39. _______________is a high-level programming language for scientific and mathematical use. [RRB NTPC CBT-1 Exam, 03.02.2021 (Shift-I)]

(1) EDP
(2) COBOL
(3) RFID
(4) FORTRAN

Correct Answer: (4) FORTRAN

Solution:FORTRAN was the world's first high-level programming language.

• The name FORTRAN means 'FORmulaTRANslation' and the language is optimized for direct coding of mathematical equations.

40. How many columns are there in a sheet of Excel 2010? [RRB NTPC CBT-1 Exam, 04.02.2021 (Shift-I)]

(1) 16024
(2) 1024
(3) 16384
(4) 1600

Correct Answer: (3) 16384

Solution:From Excel 2007 onwards (2010, 2016, etc) there are exactly 10,48,576 rows and 16,384 columns.

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