Which of the following statement is true?

Each relation has at least one foreign key

Foreign keys can't have null values

A Primary key is also an alternate key

A Primary key is also a candidate key

Correct Answer : A Primary key is also a candidate key

Published On : June 15, 2021

Recent Updates in Computers - General Knowledge Questions

Q .

The organization and interconnection of the various components of a computer system is

Networks

Designing

Architecture

Graphics

Correct Answer : Architecture

The organization and interconnection of the various components of a computer system is Architecture.

Published On : June 18, 2021

Category : Computers

Q .

Which programming language is based on Algol 60

SIMULA

SNOBOL

ADA

PILOT

Correct Answer : SIMULA

Simula Programming Language : Simula is the name of two simulation programming languages, Simula I and Simula 67, developed in the 1960s at the Norwegian Computing Center in Oslo, by Ole-Johan Dahl and Kristen Nygaard. Syntactically, it is a fairly faithful superset of ALGOL 60, also influenced by the design of Simscript.

Published On : June 18, 2021

Category : Computers

Q .

What is the name given to the weapons which use computerised guidance system?

Dumb weapons

Smart weapons

Guided weapons

Starwars weapons

Correct Answer : Smart weapons

Smart weapons : A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, to minimize collateral damage and increase lethality against intended targets.

Published On : June 18, 2021

Category : Computers