C++ PRELIM EXAM

C++ PRELIM EXAM

Assessment

Quiz

Computers

9th - 12th Grade

Medium

Created by

riszty moyo

Used 119+ times

FREE Resource

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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose x is 5 and y is 7. Choose the value of the following expression:


(x != 7) && (x <= y)

false

1

0

null

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose that x is an int variable. Which of the following expressions always evaluates to true?

(x > 0) || ( x <= 0)

(x >= 0) || (x == 0)

(x > 0) && ( x <= 0)

(x > 0) && (x == 0)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following expressions correctly determines that x is greater than 10 and less than 20?

10 < x < 20

(10 < x < 20)

10 < x && x < 20

10 < x || x < 20

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The expression in an if statement is sometimes called a(n) ____.

selection statement

action statement

decision maker

action maker

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the output of the following C++ code?

int x = 35;

int y = 45;

int z;


if (x > y)

z = x + y;

else

z = y – x;


cout << x << " " << y << " " << z << endl;

35 45 80

35 45 10

35 45 –10

35 45 0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When one control statement is located within another, it is said to be ____.

blocked

compound

nested

closed

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following will cause a logical error if you are attempting to compare x to 5?

if (x == 5)

if (x = 5)

if (x <= 5)

if (x >= 5)

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