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


Which IEEE Standards is used for Wi-Fi system?

   A.) 802.11
   B.) 802.1
   C.) 802.2
   D.) 802.3

Answer: Option 'A'

Wi-Fi is based on the IEEE 802.11 family of standards and is primarily a local area network(LAN) technology designed to provide in-building broadband coverage.


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.


Which of the following key is a minimal super key?

   A.) Primary key
   B.) Alternate key
   C.) Candidate key
   D.) Secondary key

Answer: Option 'C'

A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key. Candidate key is a minimal super key.


_________ is the process of allowing users of smartphones, tablets and other devices running the Android mobile operating system to attain privileged control to modify the software code on the device or install other software that the manufacturer wouldn’t normally allow you to.

   A.) Slash
   B.) Hacking
   C.) Booting
   D.) Rooting   

Answer: Option 'D'

Rooting gives the ability (or permission) to alter or replace system applications and settings, run specialized applications ("apps") that require administrator-level permissions, or perform other operations that are otherwise inaccessible to a normal Android user. Jailbreaking is a term with similar meaning for iOS devices.


Which of the following is used to open file menu options in current program?

   A.) Ctrl+F
   B.) Shift+F
   C.) Alt+F
   D.) Alt+Ctrl+F

Answer: Option 'C'


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