Information Technology Online Test

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Information Technology

Description: Information Technology
Number of Questions: 15
Created by: Karuna Seth
Tags: IT Operating System Algorithm Arrays and Pointers Computer Hardware Functions Operations Research Computer Basics Data Communication and Networks Operators and Expression

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Which of the following is not a TCL command?

Commit
Savepoint
Rollback
Set transaction
Grant

What is the name/term used for declaration of function inside a calling program?

Return
Passing arguments
Function
Prototype
Recursion

Which of the following represents the Reverse Polish Notation?

A + B
G/H
AB + -
/ + AB - CD
(A + B)* C

Which one of the following is the fastest memory?

Virtual memory
Hard disk
Magnetic tape
DVD
Cache memory

Which of the following operations returns a pointer to the brother of the node, otherwise returns the null pointer?

Create
Data
Brother (sibling)
Rchild
EmptyBT

Which one is the best example of unary operator?

a = a+ 5;
a = a - 5;
a = ++a;
a = a * 5;
None of these

How structure array elements can be accessed?

Using FIFO
Using LIFO
Using dot operator
Using index number
Using base address

What is the main difference between (a) 486 SX and (b) 486 DX family?

(b) has numeric co-processor but (a) does not have it.
(a) contains catch controller but (b) does not have it.
(a) has numeric co-processor but (b) does not have it.
(b) has catch controller but (a) does not have it.
None of these

Which type of error can be diagnosed by compiler?

Program error
User error
Logical error
Syntax error
None of these

When int array [7] is declared, the term array [5] represents

five elements of array
5^th element of array
6^thelement of array
base address of array
none of these

What is the name of the scheme used to replace every bad sector, using disk controller, logically with one of the available spare sectors in the disk?

Sector sparing
Sector replacing
Sector segregation
Sector elimination
Sector slipping

What is fundamental and conceptual unit in computer?

Floppy
Hard drive
OS
CPU
IC

Expand MAR in terms of memory.

Memory Active Register
Memory Address Register
Memory Access Register
Memory Access Rate
Memory Address Rate

Find the error in the code assuming that preprocessor directives are correct. int fun (int val) {
val > 20? return(15): return(30); } void main( ) {
int fun( int );
int final;
final = fun (20);
printf("%dn", final); }

There is no error and program will execute normally.
Preprocessor directives are not used in the program.
A function cannot be declared above main.
Return statement should not be used with conditional operators.
None of the above

Where is the Hamming code used?

Programming code
Pseudo code
Data communication
AutoCAD
Input/Output

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