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Computer General Knowledge Quiz for Competitive Exams

8 months ago 1.5K Views
Q :  

Why is clrscer() used?

(A) to erase

(B) to clear the message from the screen

(C) to store

(D) for all of the above

Correct Answer : B
Explanation :

The clrscr in C is a built-in function that is used for clearing the screen of the console output during the execution of the C program. This function is defined in the conio. h header file. We need to include the “conio.


Q :  

Which of the following are Operators in C?

(A) arithmetic operators

(B) logical operator

(C) relational operators

(D) all of the above

Correct Answer : D
Explanation :

Operators are symbols that we use when performing operations on one or more operands. The primary types of operators in C are arithmetic, logical, relational, conditional, bitwise, and assignment.


Q :  

The binary number system is also referred to as ________

(A) bas-2 system

(B) base-8 system

(C) base-10 system

(D) base-16 system

Correct Answer : A
Explanation :

The binary system is also known as the base 2 number system. It has the ten digits - 0 and 1.


Q :  

Which of the following devices tells the difference between multicast and unicast packets?

(A) multicast switch

(B) developed

(C) advanced router

(D) multicast router

Correct Answer : A
Explanation :
Multicast switch



Q :  

What is the maximum amount of loan that can be extended by payment banks?

(A) 25000

(B) 50000

(C) 100000

(D) No lending power

Correct Answer : D
Explanation :

The higher the monthly disposable income, the higher the loan amount you will be eligible for. Generally a bank assumes that around 55-60% of your monthly disposable/additional income is available to repay the loan. However, some banks calculate the income available for EMI payments based on an individual's gross income and not his disposable income.


Q :  

What is an error in a program that produces wrong or inappropriate results called?

(A) Byte

(B) Bug

(C) Unit problem

(D) Programming error

Correct Answer : B
Explanation :
An error in computer data is called Bug. A software bug is an error, flaw, failure or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways. ... Bugs can trigger errors that may have ripple effects.



Q :  

ODBC stands for?

(A) Object database connectivity

(B) Oral database connectivity

(C) Oracle database connectivity

(D) Open database connectivity

Correct Answer : D
Explanation :

ODBC stands for Open Database Connectivity. Open Database Connectivity is an Application Programming Interface that provides access to the database management systems. The client-side and the server-side both can access the application written using ODBC.


Q :  

The view of total database content is_________

(A) Conceptual view

(B) Internal View

(C) External view

(D) Physical view

Correct Answer : A
Explanation :
It contains information about the entire database in terms of small and simple structures.



Q :  

Which field type is not a part of SQL?

(A) Integer

(B) String

(C) OLE Object

(D) Date and Time

Correct Answer : C

Q :  

Logical schema is defined as a_________

(A) Is the entire database

(B) A standard way of organising information for business

(C) Master fields

(D) Queries

Correct Answer : B
Explanation :
A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product or storage technology (physical data model) but in terms of data structures such as relational tables and columns, object-oriented classes, or XML tags.



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