CH 1,2,3

Question 1

Design an algorithm to find the perimeter and area of a rectangle.

Answer 1

1. Get the length of the rectangle.
2. Get the width of the rectangle.
3. Find the perimeter using the following equation:
   perimeter = 2∙ (length + width)
4. Find the area using the following equation:
   Area = length ∙ width

Question 2

Design an algorithm to find the perimeter and area of a rectangle.

Answer 2

1. Get the length of the rectangle.
2. Get the width of the rectangle.
3. Find the perimeter using the following equation:
   perimeter = 2∙ (length + width)
4. Find the area using the following equation:
   Area = length ∙ width

Answer 3

is an operator called the stream insertion/extraction operator.

Question 4

which is a data type that deals with integers, or numbers without a decimal part.

Answer 4

Integral

Question 5

which is a data type that deals with decimal numbers.

Answer 5

Floating-point,

Question 6

Int values=

Answer 6

-2^31 to 2^31 storage 4 bytes

Question 7

bool values=

Answer 7

true and false storage 1 byte

Question 8

char values=

Answer 8

-2^7 to 2^7 storage 1 byte

Question 9

long long values=

Answer 9

-2^63 to 2^63 storage 64 bytes

Question 10

Double value-

Answer 10

-1.710^308 to 1.710^308 storage 8 bytes

Question 11

Float value

Answer 11

-3.410^38 to 3.410^38 storage 4 bytes

Question 12

Char-

Answer 12

data type, you enclose each character represented within single quotation marks.

Question 13

Binary operator- EX.

Answer 13

an operator that has two operands. Ex. 3+4

Question 14

Declaration statements- EX.

Answer 14

are used to declare things, such as variables. Ex. int a, b, c;

Question 15

Executable statements- EX.

Answer 15

perform calculations, manipulate data, create output, accept input. Ex.a = 4; cin&raquo_space; b; cout

Question 16

include -

Answer 16

library for common input and output

Question 17

Resesved words- ex.

Answer 17

also called keywords, each considered to be a single symbol. Ex. int, float, double, char, const, void, return.

Question 18

String-

Answer 18

a sequence of zero or more characters, anything in double quotes.

Question 19

Variable-

Answer 19

is a memory location whose contents can be changed.

Answer 20

is an operator called the stream insertion/extraction operator.

Question 21

which is a data type that deals with integers, or numbers without a decimal part.

Answer 21

Integral

Question 22

which is a data type that deals with decimal numbers.

Answer 22

Floating-point,

Question 23

Int values=

Answer 23

-2^31 to 2^31 storage 4 bytes

Question 24

bool values=

Answer 24

true and false storage 1 byte

Question 25

char values=

Answer 25

-2^7 to 2^7 storage 1 byte

Question 26

long long values=

Answer 26

-2^63 to 2^63 storage 64 bytes

Question 27

Double value-

Answer 27

-1.710^308 to 1.710^308 storage 8 bytes

Question 28

Float value

Answer 28

-3.410^38 to 3.410^38 storage 4 bytes

Question 29

Char-

Answer 29

data type, you enclose each character represented within single quotation marks.

Question 30

Binary operator- EX.

Answer 30

an operator that has two operands. Ex. 3+4

Question 31

Declaration statements- EX.

Answer 31

are used to declare things, such as variables. Ex. int a, b, c;

Question 32

Executable statements- EX.

Answer 32

perform calculations, manipulate data, create output, accept input. Ex.a = 4; cin&raquo_space; b; cout

Question 33

include -

Answer 33

library for common input and output

Question 34

Resesved words- ex.

Answer 34

also called keywords, each considered to be a single symbol. Ex. int, float, double, char, const, void, return.

Question 35

String-

Answer 35

a sequence of zero or more characters, anything in double quotes.

Question 36

Variable-

Answer 36

is a memory location whose contents can be changed.