Technical Questions

Q:

An entity is a thing in the real world with an independent existence.

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

Explanation:

Entity is a real world object

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Subject: Database
Job Role: Database Administration

1 4924
Q:

Component Testing is also called as

component_testing_is_also_called_as1542088267.jpg image

A) Unit testing B) Module testing
C) Program testing D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Component Testing is also called as Module or Unit or Program testing. It is testing of all the components in an application separately.

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10 4913
Q:

 The process of reading a database schema and producing a data model from that schema is known as:

A) data modeling. B) database design.
C) reverse engineering. D) None of the above is correct.
 
Answer & Explanation Answer: C) reverse engineering.

Explanation:
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Filed Under: Database

1 4906
Q:

Difference between bit rate and baud rate.?

Answer

Bit rate is the number of bits transmitted during one second whereas baud rate refers to the number of signal units per second that are required to represent those bits.


baud rate = bit rate / N


where N is no-of-bits represented by each signal shift.

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Subject: Networking
Job Role: Network Engineer

0 4886
Q:

What is called scratch pad of computer?

Answer

Cache Memory is scratch pad of computer.

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Subject: Hardware

2 4850
Q:

What is a drawback of MVT?

Answer

1) ability to support multiple processors
2) virtual storage
3) source level debugging

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1 4848
Q:

Can ROM be used as stack?

Answer

ROM cannot be used as stack because it is not possible to write to ROM.

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Subject: Hardware

8 4816
Q:

Which of the following describes a relational database?

A) It retrieves data related to its queries B) It provides a relationship between floats
C) It provides a relationship between integers D) It consists of separate tables or related data
 
Answer & Explanation Answer: D) It consists of separate tables or related data

Explanation:

A relational database is a digital database based on the relational model of data, a database structured to recognize relations between stored items of information. A software system used to maintain relational databases is a relational database management system.

 

Computer database in which all data is stored in Relations which (to the user) are tables with rows and columns. Each table is composed of records (called Tuples) and each record is identified by a field (attribute) containing a unique value. Every table shares at least one field with another table in 'one to one,' 'one to many,' or 'many to many' relationships. These relationships allow the database user to access the data in almost an unlimited number of ways, and to combine the tables as building blocks to create complex and very large databases.

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