Chapter 1

Question 1

What are the 5 components of a computer?

Answer 1

The CPU, main memory, secondary memory, input devices, output devices

Question 2

Negative numbers are encoded using what technique?

Answer 2

Two’s complement

Question 3

Real numbers are encoded using what?

Answer 3

Floating point technique

Question 4

The CPU only understands instructions writen in ______

Answer 4

Machine language

Question 5

In what process does the CPU read the next set of instructions?

Answer 5

Fetch

Question 6

Process in which CPU dtermines which operation it should perform

Answer 6

Decode

Question 7

CPU performs the operation in this process

Answer 7

Execute

Question 8

A comouter can only execute programs writen in…

Answer 8

Machine language

Question 9

This language uses short words instead of binary

Answer 9

Assembly language

Question 10

What are mnemonics?

Answer 10

Words used in assembly language in place of binary

Question 11

What is an assembler?

Answer 11

Program used to translate assembly language to machine language

Question 12

Words that make up high level programming launguages are called

Answer 12

Keywords or reserved words

Question 13

What do operators do in programming languages?

Answer 13

Perform operations on data such as add, subtract, ect.

Question 14

Individual instructions in a program are called

Answer 14

Statements

Question 15

A compiler does what?

Answer 15

Translates high level language programs into separate machine language programs

Question 16

A interpreter is different from a compiler how?

Answer 16

Interpreter translates each individual instruction, then executes it. It does not create a machine language program.

Question 17

True or False: Assembly language is considered a high level language

Answer 17

False

Question 18

What programs controls the basic operations of a computer?

Answer 18

System software

Question 19

What are utility programs?

Answer 19

Programs that enhance the computer’s operation (virus scanners, file compression)

Question 20

What determines the order in which things happen in a command line interface?

Answer 20

Programs

Question 21

What are the 3 windows in Visual Studio called?

Answer 21

The Designer window, solution explorer window, and the properties window

Question 22

What is an object in a program?

Answer 22

A component that contains data and performs operations

Question 23

What is data stored in an object called?

Answer 23

Fields or properties

Question 24

What are the operations that an object can perform called?

Answer 24

Methods

Question 25

The object that displays a window on the screen

Answer 25

Form object

Question 26

Object that displays text on a form

Answer 26

Label object

Question 27

Rectangular region that accepts keyboard input

Answer 27

TextBox object

Question 28

What are the objects used in a GUI?

Answer 28

Form, textbox, label, and button objects

Question 29

Objects that are visible in a program’s GUI are called

Answer 29

Controls

Question 30

What code describes a particular type of object?

Answer 30

A class

Question 31

Describe the program development cycle

Answer 31

Understand the program’s process, design the GUI, design the program’s logic, write the code, correct syntax errors, test the program & correct logic errors

Question 32

Explain what a flowchart is and what each symbol is used for.

Answer 32

The flowchart graphically depicts the steps of a program. Ovals are terminal symbols (start and end), parallelograms responds woth input or output, rectanlges are processing symbols in which the program perfomrs some process on data

Question 33

What is a toolbox?

Answer 33

A window that allows you to select controls that you want to use in the apps user interface

Question 34

What is a tooltip

Answer 34

A textbox that appears when you hover over a button that explains the object’s purpose

Question 35

What is a class in programming?

Answer 35

Code that describes a particular type of object. Specifies what data it can hold, or what actions it can perform

Question 36

What is an algorithm?

Answer 36

A set of well defined, logical steps that must be taken to perform a task

Question 37

What is psuedocode?

Answer 37

An algorithm written out in plain English statements. Helps plan out the logical steps a program will follow