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Which of the following is not part of the structure of a C program? Preprocessor directives Global declarations section Local directives Functions The expression (a

Which of the following is not part of the structure of a C program?

Preprocessor directives

Global declarations section

Local directives

Functions

The expression (a * b + c / d - e % f) is evaluated as:

a * b + c / d - e % f

((a * (b + c) / (d - e)) % f)

((a * b + c) / (d - e % f))

((a * b) + (c / d) - (e % f))

((a * (b + (c / d)) - e) % f)

Which of the following explicit type casts is valid?

(float) x = a / b

[float] x = a / b

x = float (a / b)

x = [float] (a / b)

x = (float) (a / b)

Which of the following answers about statements is true?

Statements can be null.

Statements must be terminated by a semicolon.

Statements cannot have side effects.

A compound statement is enclosed in brackets ([ ]).

Expressions are automatically statements.

Which of the following expressions is not a unary expression?

x

sizeof(x)

+x

-x

float(x)

Which of the following statements about a function call is false?

A function call is a postfix expression.

The operand in a function call is the function name.

The parameter list contains the formal parameters.

The parameter list must match the function headers parameters in type and order.

The value of the call of a void function cannot be assigned.

The statement that transfers to the testing expression in while or do...while statements and the update in a for statement is:

break

continue

goto

comma

recursion

Which of the following statements about post-test loops is true?

Initialization is found in the body of the loop.

The loop actions are executed before the control expression.

If the loop control expression is false, the loop terminates.

If the loop control expression is false, the action is not executed.

In C, the update is a part of the loop statement itself.

Which of the following statements about counter-controlled loops is true?

They can be used only when the number of times the loop is to be repeated is known before the loop starts.

The number of times the loop is to be executed must be a constant.

The update in a counter-controlled loop is an increment.

They cannot be used when the limit is a calculated value.

The counter must be initialized as the first statement in the loop body.

Which of the following statements about files is false?

Files are stored in primary storage devices.

Files are a collection of related data treated as a unit.

Data moves from the file to memory through a buffer.

It is the programmers job to test for end of file on an input file.

Files must be named using the operating systems rules.

Which of the following C statements reads a character, an integer, and a real in that order?

%c, %d, %f

%c, %d, %r

%c%d%r

%c %d %f

%cdr

Which of the following statements about the append mode is false?

A file opened in the append mode may be read from or written to.

The file is initially opened in the write state.

If the file does not exist, an error is returned.

The file marker is positioned at the end of the file.

The file mode that opens an existing file with the file marker positioned at the end of file is:

a

e

r

w

z

Which of the following format codes formats data into a short integer variable?

i

hi

hh

li

lli

Which of the following format specifications can be used to read the following input?

15 X 5.4

%d%c%f

%d%c%9.4f

%d %c %.4f

%d %c %9f

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