Technical Questions

Q:

Parenthesis is never required in Postfix or Prefix expressions

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Parenthesis is not required because the order of the operators in the postfix /prefix expressions determines the actual order of operations in evaluating the expression

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Subject: Database
Job Role: Database Administration

3 10022
Q:

A function cannot be defined inside another function

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

A function cannot be defined inside the another function, but a function can be called inside a another function.

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Subject: Programming

5 9875
Q:

A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?

 

A) /test/Chess.class B) /home/bob/Chess.class
C) /test/games/Chess.class D) /user/lib/games/Chess.class
 
Answer & Explanation Answer: D) /user/lib/games/Chess.class

Explanation:

/user/lib/games/Chess.class could be the possible location of the file

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Filed Under: Operating Systems

6 9745
Q:

The main interface in Windows and OS X is __________ interface.

A) Command-line B) Embedded
C) Neural D) Graphical
 
Answer & Explanation Answer: D) Graphical

Explanation:
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Filed Under: Operating Systems
Exam Prep: Bank Exams
Job Role: Analyst , Bank Clerk , IT Trainer

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Q:

 The HAVING clause does which of the following?

A) Acts like a WHERE clause but is used for groups rather than rows. B) Acts like a WHERE clause but is used for rows rather than columns.
C) Acts like a WHERE clause but is used for columns rather than groups. D) Acts EXACTLY like a WHERE clause.
 
Answer & Explanation Answer: A) Acts like a WHERE clause but is used for groups rather than rows.

Explanation:
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Filed Under: Database

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Q:

The program that is responsible for loading the operating system into RAM is the _______.

A) BIOS B) Bootstrap Program
C) Drive- Driver D) Supervisor Program
 
Answer & Explanation Answer: B) Bootstrap Program

Explanation:

The program that is responsible for loading the operating system into RAM is the bootstrap Loader program.

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Filed Under: Operating Systems
Exam Prep: Bank Exams

10 9577
Q:

What is the main reason the OSI Model was created?

Answer

The OSI Model is used as a reference model.


The primary reason the OSI model was created was so that different networks could inter-operate. Hence, different networks could communicate.

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Q:

 The different classes of relations created by the technique for preventing modification anomalies are called:

A) normal forms. B) functional dependencies.
C) referential integrity constraints. D) None of the above is correct.
 
Answer & Explanation Answer: A) normal forms.

Explanation:
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Filed Under: Database

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