一．填空

1、 are used to document a program and improve its readability.

2、What, if anything, prints when each of the following C statements is performed?

If nothing prints, then answer “nothing. ”

Assume x = 2 and y = 3.

a) printf( "%d = %d", x + y, y + x );

b) z = x + y;

A location in the computer's memory that may contain different values at various

times throughout the execution of a program is called

a

Write a single pseudocode statement that indicates ：Assign the sum of variables

x, y, and z to variable p.

The solution to any problem involves performing a series of actions in a specific

A synonym for procedure is

7、 State which values of the control variable x are printed by each of the following

for statements:

a)for ( x = 2; x <= 13; x += 2 )

printf( "%d\n", x );

b) for ( x = 3; x <= 15; x += 3 )

printf( "%d\n", x );

8、 Show the value of x after each of the following statements is performed:x=7.5

a) x = fabs( x);

b) x = floor( x);

C stores lists of values in

10、 The contents of a particular element of an array is called the of

that element.

11、The name of the element in row 3 and column 5 of array d is .

12、Write statements to accomplish each of the following:

a) Display the value of the seventh element of character array f.

b) Copy array a into the first portion of array b. Assume double a[ 11 ], b[ 34 ];

13、Consider a 2-by-5 integer array t.

a) Write a definition for t.

b)