Aptitude [TCS Placement]: Sample Questions 142 - 144 of 174

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Question 142

Aptitude
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What is DBMS?

Explanation

A Data Base Management System (DBMS) is a collection of programs that enables you to , modify, and extract information from a database. There are many different types of database management systems, ranging from small systems that run on personal computer to huge systems that run on mainframes. A database management system (DBMS) is system software for creating and managing databases. The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.

Question 143

Aptitude
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Wind flows 160 miles in 330 min, for travelling 80 miles how much time does it require?

Explanation

  • More distance, more time is required to cover the distance
  • Distance and required time are in direct proportion.
  • If wind can cover 160 miles in 330 minutes then 80 miles can be covered by it in (?) x minutes,

  • Wind will require 2 hours 45 minutes to cover 80 miles distance.

Question 144

Aptitude

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Short Answer▾

What is the unit of ?

Explanation

  • SI unit of energy:
  • SI unit of time: s
  • SI unit of mass: kg
  • SI unit of distance: m
  • We are asked to find the SI unit of
  • Computing this, only meter will remain.
  • meter is the SI unit for distance.

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