data structures through c need help?

[1] Which of the following statements are correct regarding arrays?

A. While declaring and initializing the 2-D array at the same place, mentioning the column dimension is optional.

B. Array elements can be accessed using the position of the element in the array.

Choice a Only A is correct.

Choice b Only B is correct.

Choice c Both A and B are correct.

Choice d Neither A nor B is correct.

[2] When you pass an array to a function, what actually gets passed?

Choice a An address of the array.

Choice b Values of the elements of the entire array.

Choice c Only an address of the first element of the array.

Choice d The number of elements of the array.

[3] Which of the following statements are correct regarding conditional operators?

A. We can use the conditional operators only in arithmetic statements.

B. The conditional operators can be nested.

Choice a Only A is correct.

Choice b Only B is correct.

Choice c Both A and B are correct.

Choice d Neither A nor B is correct.

[4] Which of the following operator reverses the value of the expression it operates on?

Choice a !=

Choice b !

Choice c |

Choice d ||

[5] Which of the following keyword is not used in switch statement?

Choice a default

Choice b case

Choice c break

Choice d continue

[6] If you don't initialize an array, what would be the initial value of elements?

Choice a 0

Choice b Garbage value

Choice c A floting point number

Choice d The character constant '\0'

[7] Which of the following is not a decision making media in C?

Choice a if-else statement

Choice b switch statement

Choice c Logical operators

Choice d Conditional operators

[8] Which of the following shows the correct hierarchy of airthmetic operations in C?

Choice a / + * -

Choice b * - / +

Choice c + - / *

Choice d * / + -

[9] Which of the following is used to combine more than one conditions?

Choice a Conditional operators

Choice b Arithmetic operators

Choice c Logical operators

Choice d Bitwise operators

[10] Which of the following statements are correct regarding loop control instructions?

A. We can drop the initialisation, testing and incrementation in for loop.

B. We cannot use data type other than int as a loop counter.

Choice a Only A is correct.

Choice b Only B is correct.

Choice c Both A and B are correct.

Choice d Neither A nor B is correct.

[11] In what sequence the initialisation, testing and execution of body is done in a do-while loop?

Choice a Initialisation, execution of body, testing

Choice b Execution of body, initialisation, testing

Choice c Initilisation,testing,execution of body

Choice d None of the above

[12] What is the default return type of a function?

Choice a void

Choice b int

Choice c double

Choice d No return type

[13] Which of the following statement is used to take the control to the beginning of the loop?

Choice a exit

Choice b break

Choice c continue

Choice d None of the above

[14] Which of the following statements are correct regarding switch?

A. It is mandatory to arrange all the cases in ascending order.

B. The default case is optional.

Choice a Only A is correct.

Choice b Only B is correct.

Choice c Both A and B are correct.

Choice d Neither A nor B is correct.

[15] Which of the following is not a keyword in C?

Choice a long

Choice b register

Choice c typedef

Choice d automatic

[16] An expression contains relational operators, assignment

operators and arithmetic operators. In the absence of

parantheses, they will be evaluated in which of the following order:

Choice a Assignment, relational, arithemtic

Choice b Arithemtic, relational, assignment

Choice c Relational, arithmetic, assignment

Choice d Assignment, arithmetic, relational

[17] Which of the following is the correct way of declaring a float pointer?

Choice a float ptr ;

Choice b float *ptr ;

Choice c *float ptr ;

Choice d None of the above

[18] Which of the following is the default storage class for variables declared within a function?

Choice a Automatic

Choice b Static

Choice c Register

Choice d Extern

[19] What is the difference between the 5's in these two expressions?

int num[ 5 ] ;

num[ 5 ] = 11 ;

Choice a First is particular element, second is type.

Choice b Both specify array size.

Choice c First is array size, second is particular element.

Choice d First is particular element, second is array size.