Computers Aptitude
| Description: Computer, MCA, | |
| Number of Questions: 60 | |
| Created by: Palash Sundaram | |
| Tags: Computer General Awareness and Computer Applications Computer Applications (New) Information Technology Fundamentals of Operating System Computer Aptitude |
A name or number used to identify a storage location is called a/an
Which of the following is an open source software?
Which computer memory is used for storing programs and data currently being processed by the CPU?
The fields in a structure of a C program are by default
The output that is obtained on the screen is called
Offline device is
Personnel who design, program, operate and maintain computer equipment refers to
The distinguishable parts of a record are called
Which of the following is a computer program that converts an assembly language to machine language?
What type of software is most useful in financial planning and calculation?
RAM is used as a short memory because it is/has
Which command is used to copy a file in Unix?
You can add a date to a document by
C++ is a/an
The first step in problem solving process is to
Which of the following control structures is used in every program?
The directives for the pre-processors begin with
Which of the following is/are conditional operator(s)?
Observe the following statements and decide what do they do: string mystring; getline(cin, mystring);
The unique function in C++ program by where all C++ programs start their execution, is
In case of arguments passed by values when calling a function such as Z = addition (x,y),
What is the difference between x (x without quotes) and 'x' (x with quotes)?
A class having no name
Which of the following statements is true about pre-processor directives?
A variable is a
Forgetting to include a header file like “math.h” will result in
Which of the following is a selection statement in C++?
In case of pass by reference
What is the output of the following code? #include<stdio.h> void main ( ) { int s=0; while (s++<10) { if(s<4&&s<9) continue; printf(“ %d/t”,s); } }
___________ is a blueprint or prototype that defines the variables and the methods common to all objects of a certain kind.
The return data type of void means
Array passed as an argument to a function is interpreted as
What happens when you try to assign a value larger than the maximum possible integer to an int variable in C++?
A class can have many methods with the same name, as long as the number of parameters is different. This is known as
Which of the following is not a limitation of binary search algorithm?
Which of the following statements is the most appropriate regarding recursion?
Assume the following declarations in C++ int num [5] = {3, 4, 6, 2, 1} ; int *p = num;
Which of the following is correct?
Select the proper object type in C++. __________ file (“file. dat”, ios::in | ios::out)
Which two of the following statements are true about constructors? I. A constructor has no return type and is therefore a void method. II. A constructor has the same name as the class. III. A class can have more than one constructor. IV. Constructors are called like any other method.
Defining a class so that the implementation of the data and methods of the class are not known to the programmers who use the class is called
Which data structure allows deleting data elements from front and inserting at rear ends?
If Infix = (a + b) * (c - d) / (e + f) is the INFIX expression, then what will be its Postfix value in POSTFIX expression?
The operation for removing an entry from a stack is traditionally called
The memory address of fifth elements of an array can be calculated by the formula
Who invented Boolean algebra?
In base 5, which number is equivalent to 1000 base-10?
If the characters 'D', 'C', 'B', 'A' are placed in a queue (in that order), and then removed one at a time, in what order will they be removed?
A NOR gate is ON only when all its inputs are
Which of the following Boolean expressions is always true?
The term 'baud' is a measure of
Find out the error in following block of code. If (x = 100) cCout << “x is 100” ;
In the context of open source technologies, what is the meaning of OSI and FSF acronyms/abbreviations?
Ethernet uses
Which of the following is an advantage of using fiber optics data transmission?
Consider the following function: void f(unsigned int n) { do { putchar ('0' + (n % 10)) ; } while (n /= 10) ; putchar (' n') ; }
What is the output of f(837)?
What does printf(“%d, %d ”, 5/3, 5 % 3) print to standard output?
What is a 'tuple' in RDBMS?
A SELECT statement can be used to perform these three functions: Choose rows from a table Choose columns from a table Bring together data that is stored in different tables by creating a link between them
Which set of keywords describes the above capabilities?
The K-map equation for following truth table is
| A | B | Y |
| 0 | 0 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
What is “operator overloading”?