BASIC PROGRAMMING CONSTRUCTS

Question 1

A WINDOW which users can interact with in a system program

Answer 1

console

Question 2

Used for user and computer interaction

Answer 2

I/O statement

Question 3

write text without adding a newline

Answer 3

Console.Write

Question 4

write text and adds a new line

Answer 4

Console.WriteLine

Question 5

means combining two strings and returns as a result of a new string

Answer 5

concatenation

Question 6

It can be composed of an output text followed by a variable then another output text

Answer 6

mixed string concatenation

Question 7

read only single character

Answer 7

Console.Read

Question 8

read a line or string

Answer 8

Console.ReadLine

Question 9

read the key pressed

Answer 9

Console.ReadKey

Question 10

-A programmer-defined word that holds the value of the user

-Also saves a portion of the memory to store a determined value

Answer 10

Variables

Question 11

Rules in declaring variables

Answer 11

1. must begin with a LETTER or UNDERSCORE
2. no blanks allowed
3. must not be the keywords which are reserved words by the language
4. must not be given a name with the same name as other functions
5. they are case sensitive

Question 12

(valid or invalid)

D-whiz

Answer 12

invalid

Question 13

(valid or invalid)

enjoy

Answer 13

valid

Question 14

(valid or invalid)

@boss

Answer 14

invalid

Question 15

(valid or invalid)

_10ict

Answer 15

valid

Question 16

(valid or invalid)

1st quarter

Answer 16

invalid

Question 17

An expression with a fixed value that cannot be changed at runtime

Answer 17

constant

Question 18

what keyword do you use to declare a constant

Answer 18

const

Question 19

There are ____________ in C# that when preceded by the backslash ( \ ) symbol, have special meaning

Answer 19

character constants

Question 20

Used as particular values within the source code of a program

Answer 20

literals

Question 21

Are constant and are also called decimal numerals

Examples:
2354
612
18
29

Answer 21

integer literals

Question 22

Are numbers with decimal, fractions, and/or exponents

Examples:
3.14159
6.02e23

Answer 22

floating point literals

Question 23

Non numerical constant

Answer 23

character and string literals

Question 24

single character [literal]

Answer 24

character literal

Question 25

several character [literal]

Answer 25

string literal

Question 26

Can have either a True or False value

Answer 26

boolean literals

Question 27

The type of data that a variable can hold

Answer 27

data type

Question 28

CHARACTERITICS OF A DATA TYPE

Answer 28

Name – value type Size – how much memory they use Default value – the initial value

Question 29

Holds data within its own memory location examples: int i = 42; char ch = ‘A’; bool result = true;

Answer 29

value data type

Question 30

Contain a reference to another memory location that holds the data examples: string str = “Hello”; object obj = 42; byte[] bytes = {1, 2, 3};

Answer 30

reference data type

Question 31

Stores the memory address of another type examples: char* cptr; int* iptr;

Answer 31

pointer data type