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Programming Portal MCQs [153]

You will find all MCQs which are added in Programming Portal by Indresh Gehalot

Q. Auto Calculate will quickly add selected cells if you ....... ?

Q. Macros are "run" or executed from the ...... menu ?

Q. In MS-Access, a table can have primary key /keys ?

Q. In MS Excel, Gridlines ?

Q. In MS Excel, You can copy data or formulas ?

Q. To open the Format Cells dialog box, press ?

Q. There are three types of data found in a spreadsheet ?

Q. To make a number in cell C1 10% smaller than the number in C3 you enter ?

Q. If you press ...... the cell accepts your typing as its contents. ?

Q. Which types of charts can excel produce ?

Q. To add two cells (Al and A(2) together you use the following formula ?

Q. Using the F11 shortcut key to create a chart on chart sheet creates ?

Q. Which of the following displays the contents of the active cell ?

Q. Which button do you click to add up a series of numbers ?

Q. What function displays row data in a column or column data in a row ?

Q. To hold row and column titles in place so that they do not scroll when you scroll a worksheet click the ?

Q. Hyperlinks can be ?

Q. Using the AutoSum button will replace in the selected cell ...... ?

Q. The multiplication arithmetic operator is represented by which of the following symbols ?

Q. All formula in Excel start with ?

Q. Which list class should be most popular in a multi-threading environment, considering performance constraint?

Q. TreeMap implements?

Q. Name the map that should be kept in a multi-threading environment to keep up the natural order of keys?

Q. State the search time complexity of an ordered array.

Q. What describes an algorithm performs in best, average or worse case scenarios?

Q. Iterator returned by Vector is?

Q. Which doesn’t permit to store a null value?

Q. From Java five onwards, that one among these is suggested to replace Hashtable?

Q. Enumeration returned by Vector is?

Q. In Iterator, nextElement() method of Enumeration has been changed to

Q. LinkedList implements?

Q. Vector extends that of these?

Q. nextIndex() and previousIndex() are methods of which interface?

Q. Which of those permits the storage of the many null values?

Q. ArrayList implements that of the following?

Q. Which of those is synchronized?

Q. The root interface of Java collection framework hierarchy is

Q. The most used interfaces from the collection framework are?

Q. What guarantees type-safety in a collection?

Q. By default, any real number in 'C' is treated as

Q. What is the correct way to round offx, a float, to an int value?

Q. The rule for implicit type conversion is

Q. In a C program constant is defined

Q. Choose the correct statements

Q. When a variable of data type double is converted into float, then

Q. What are the types of linkages?

Q. Which of the following special symbol allowed in a variable name?

Q. How would you round off a value from 1.66 to 2.0?

Q. Which of the following correctly represents a long double constant?

Q. Which of the declaration is correct?

Q. Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ? 

Q. When we mention the prototype of a function?

Q. By default a real number is treated as a

Q. Which of the following correctly shows the hierarchy of arithmetic operations in C?

Q. Which of the following cannot be checked in a 'switch-case' statement?

Q. In mathematics and computer programming, which is the correct order of mathematical operators ?

Q. Which of the following is not logical operator?

Q. Which of the following is the correct order of evaluation for the below expression? z = x + y * z / 4 % 2 - 1

Q. What will you do to treat the constant 3.14 as a long double?

Q. What are the different types of real data type in C ?

Q. Which of the following is the correct order if calling functions in the below code?

Q. Which of the following is the correct usage of conditional operators used in C?

Q. The keyword used to transfer control from a function back to the calling function is

Q. Which of the following statement obtains the remainder on dividing 5.5 by 1.3 ?

Q. What will you do to treat the constant 3.14 as a float?

Q. The binary equivalent of 5.375 is

Q. We want to round off x, a float, to an int value, The correct way to do is

Q. In which header file is the NULL macro defined?

Q. What would be the equivalent pointer expression for referring the array element a[i][j][k][l]

Q. If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable?

Q. A pointer is

Q. The operator used to get value at address stored in a pointer variable i

Q. A pointer is

Q. How many bytes are occupied by near, far and huge pointers (DOS)?

Q. What is sizeof() in C?

Q. How many main() function we can have in our project?

Q. What the instruction tells ' const int *ptr '?

Q. The declaration means ' int (*p) [5];

Q. What is (void*)0?

Q. What is the following is invalid header file in C?

Q. The concept of two functions with same name is know as?

Q. When C Language was invented?

Q. How many loops are there in C

Q. Which programming language is more faster among these?

Q. As soon as a pointer variable is freed, its value

Q. Which of the following is true of external variables?

Q. Which of the following comments about wide characters is/are true ?

Q. Choose the correct statements 

Q. Which of the following are true regardless of the implementation ? 

Q. Literal means 

Q. The minimum number of temporary variables needed to swap the contents of two variables is 

Q. The value of an automatic variable that is declared but not initialized will be

Q. Which keyword can be used for coming out of recursion?

Q. Which of the following cannot be used as LHS of the expression in for (exp1 ;exp2 ; exp3) ? 

Q. Which for loop has range of similar indexes of ‘i’ used in for (i = 0;i < n; i++)?

Q. The correct syntax for running two variable for loop simultaneously is

Q. Which is correct with respect to size of the datatypes? 

Q. What is the size of an int data type? 

Q. Which of the following is a User-defined data type?

Q. The format identifier ‘%i’ is also used for _____ data type?

Q. Which of the following cannot be a variable name in C? 

Q. which of the following is not a fundamental datatype?

Q. What is the similarity between enum and struct ?

Q. What is recursion ?

Q. what is the purpose of ftell ? 

Q. What is dangling pointer? 

Q. Where the local variable is stored ?

Q. If a functions return type is not explicitly defined then it is default to ..........(in C) 

Q. Which of the following indicate the end of file ? 

Q. which of the below has the highest precision? 

Q. what does the default header file contain? 

Q. A memory leak happens when 

Q. while declaring parameters for main, the second parameter argv should be declared as 

Q. Where are the local variable stored ? 

Q. which of the below function is NOT declared in math.h ? 

Q. Which of the following is NOT declared in string.h ? 

Q. atoi() function is used for

Q. A pointer that is pointing to NOTHING is called

Q. What will be the output of the following JavaScript code?

Q. Every object contains three object attributes that are _______.

Q. A collection of elements of the same data type which may either in order or not, is called _____.

Q. What kind of work is being performed in the following given part of JavaScript's code?

Q. Which one of the following is the correct output for the given JavaScript code?

Q. What will be the output of the following JavaScript code?

Q. Which one of the following is the correct output for the given JavaScript code?

Q. Which one of the following is the correct output for the given JavaScript code?

Q. Which one of the following is the correct output for the given JavaScript code?

Q. Consider the following piece of JavaScript code:
What is the role of the "debugger" statement?

Q. Which of the following options would be the correct output for the given JavaScript code?

Q. Which of the following options would be the correct output for the given JavaScript code?

Q. Which one of the following is the correct output for the given JavaScript code?

Q. Which one of the following is the possibly correct output for the given JavaScript code?

Q. Which of the following is the correct response by the interpreter in a jump statement when an exception is thrown?

Q. What if we define a "for" loop and it removes one of the properties that has not yet been enumerated?

Q. Which one of the following is not considered as "statement" in the JavaScript?

Q. What is the role of the "continue" keyword in the following piece of JavaScript code?

Q. If the following piece of JavaScript code is executed, will it work if not, what kind of possible error can occur?

Q. What are the three important manipulations for a loop on a loop variable?

Q. Which one of the given code will be equivalent for the following JavaScript code:

Q. Which of the following is the correct output for the following JavaScript code:

Q. Which one of the following symbol is used for creating comments in the javascript

Q. The escape sequence ‘f’ stands for

Q. What must be done in order to implement Lexical Scoping?

Q. What kind of scoping does JavaScript use?

Q. Consider the following code snippet:
What does the last statement return ?

Q. Consider the following code snippet : The state stored in d is :

Q. What is the difference between the two lines given below ? 

Q. Consider the following code snippet : 

Q. Consider the following code snippet : 

Q. Do functions in JavaScript necessarily return a value ?

Q. Consider the following code snippet : 

Q. Which is an equivalent code to invoke a function m of class o that expects two arguments x and y?

Q. Consider the following code snippet