Computer Aptitude Questions for IBPS Clerk Mains - 20th January 2019

101.

In Computer programming API is set of subroutine definitions, protocols, and tools for building software and applications. Which among the following is an application programming interface for the programming language Java, which defines how a client may access a database?

   A.) J2EE
   B.) JDK
   C.) JAVA SE
   D.) JDBC

Answer: Option 'D'

Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. It is part of the Java Standard Edition platform, from Oracle Corporation.

102.

The SubSeven is an example of :

   A.) antivirus
   B.) Trojan horse
   C.) Adware
   D.) Spyware

Answer: Option 'B'

SubSeven is a Trojan horse program that appears or pretends to be a genuine application, but actually causes damage to the executable files on the computer.

103.

Which among the following is the most suitable type of network that phone lines would use?

   A.) WAN
   B.) Bluetooth
   C.) WWAN
   D.) Infra-red

Answer: Option 'A'

Wide Area Network (WAN) usually uses telephone lines for connectivity, as WAN is spread over a large area and offers Internet-related services such as browsing, email, chatting, etc.

104.

Which among the following type of computers is also known informally as Number crunchier? 

   A.) Mini computer
   B.) Super computer
   C.) Micro computer
   D.) Mainframe computer

Answer: Option 'B'

Super Computers are also known as number crunchers. A super computer's dominant characteristic is its ability to perform large amounts of numerical computations quickly.

105.

Which of the following is the activity of purchasing items and products form different websites on the internet and using online modes, such as credit cards and debit cards, to make the payments? 

   A.) E-banking
   B.) Online shopping
   C.) Online reservation
   D.) M-reservation

Answer: Option 'B'

The activity of purchasing items from different websites on the internet is known as online shopping.

106.

Identify the volatile storage device amongst the following devices?

   A.) RAM
   B.) Hard disc
   C.) Magnetic tape
   D.) ROM

Answer: Option 'A'

A volatile device is a device that stores data temporarily. An example of a volatile device is RAM.  

107.

Computer gathers data, which means that they allow users to __________ data.

   A.) Present
   B.) Input
   C.) Output
   D.) Delete

Answer: Option 'B'

Computer allows user to input data.

108.

A __________ is a property of the entire relation, rather than of the individual tuples in which each tuple is unique.

   A.) Rows
   B.) Key
   C.) Attribute
   D.) Fields

Answer: Option 'B'

Key is a property of the entire relation (relation is a table).

109.

A __________ is an abstract model that describes, how the data are organised and represented.

   A.) data model
   B.) instances
   C.) schema
   D.) database

Answer: Option 'A'

Data model is an abstract model that describes, how the data are organized and represented.

110.

SMTP, FTP and DNS are applications/protocols of the _____ layer. 

   A.) Data link
   B.) Network
   C.) Transport
   D.) Application

Answer: Option 'D'

SMTP, FTP and DNS are protocols of the Application layer. SMTP-Simple Mail Transfer Protocol, DNS-Domain Name System, FTP-File Transfer Protocol.


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