Unit 3: Intro to App Design

Question 1

user interface

Answer 1

the inputs and outputs that allow a user to interact with a piece of software. User interfaces can include a variety of forms such as buttons, menus, images, text, and graphics.

Question 2

input

Answer 2

data that are sent to a computer for processing by a program. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.

Question 3

output

Answer 3

any data that are sent from a program to a device. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.

Question 4

program statement

Answer 4

code statement. a command or instruction.

Question 5

program

Answer 5

a collection of program statements. Programs run (or “execute”) one command at a time.

Question 6

sequential programming

Answer 6

program statements run in order, from top to bottom.

Question 7

event driven programming

Answer 7

some program statements run when triggered by an event, like a mouse click or a key press

Question 8

documentation

Answer 8

a written description of how a command or piece of code works or was developed.

Question 9

comment

Answer 9

form of program documentation written into the program to be read by people and which do not affect how a program runs.

Question 10

pair programming

Answer 10

a collaborative programming style in which two programmers switch between the roles of writing code and tracking or planning high level progress

Question 11

debugging

Answer 11

Finding and fixing problems in an algorithm or program.

Question 12

development process

Answer 12

the steps or phases used to create a piece of software. Typical phases include investigating, designing, prototyping, and testing

Question 13

event

Answer 13

associated with an action and supplies input data to a program. Can be generated when a key is pressed, a mouse is clicked, a program is started, or by any other defined action that affects the flow of execution.