Chapter 1: A tutorial introduction

Question 1

delaration

Answer 1

A declaration announces the properties of variables; it consists of a name and a list of variables.

ex:
int fahr, celcius;
int lower, upper, step;

Question 2

type int

Answer 2

the variable is an integer. Its size depends on the machine. Commonly 16-bit ints (between -32768 and +32767) or 32-bit (between -10^38 and + 10^38)

Question 3

type float

Answer 3

floating point i.e. numbers that may have a fractional part. Also depends on the machine you are using.

Question 4

type char

Answer 4

character - a single byte

Question 5

type short

Answer 5

short integer

Question 6

type long

Answer 6

long integer

Question 7

double

Answer 7

double-precision floating point.

Question 8

%d

Answer 8

print as decimal integer

Question 9

%6d

Answer 9

print as decimal integer, at least 6 characters wide

Question 10

%f

Answer 10

print as floating point.

Question 11

%6f

Answer 11

print as floating point, at least 6 characters wide

Question 12

%.2f

Answer 12

print as floating point, 2 characters after the decimal point

Question 13

%6.2f

Answer 13

print as floating point at least 6 characters wide and 2 after decimal point

Question 14

define

Answer 14

defines a symbolic name or a symbolic constant to be a particular string of characters.

Question 15

text stream

Answer 15

a sequence of characters divided into lines; each line consists of zero or more characters followed by a newline character.