Computer General Knowledge Quiz for Competitive Exams
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.
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.
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.
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
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.
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.
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.
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.
Which field type is not a part of SQL?
(A) Integer
(B) String
(C) OLE Object
(D) Date and Time
Correct Answer : C
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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Rajesh Bhatia
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