1.2 Key Terms

Question 1

Abstraction

Answer 1

Making something more general by losing some detail or making unnecessary to worry about the detail. For example, procedures make it unnecessary to worry about the details of how the procedure gets the job done.

Question 2

Backlog

Answer 2

A prioritized list of features or user stories to add to a program.

Question 3

Call

Answer 3

When a procedure or function is called, the program executes the procedure or function text.

Question 4

Developer

Answer 4

A person who writes computer code to create technology tools.

Question 5

Function

Answer 5

A sequence of instructions that return a value and can be called from other parts of the program.

Question 6

Groom the catalog

Answer 6

Prioritize a list of items that are on a task list so that the items intended to be accomplished next slots on the list.

Question 7

Internet

Answer 7

The network of computer networks which communicate through common protocols for accessing information contained aside the computers. The internet contains the World Wide Web

Question 8

Local variable

Answer 8

A veritable that can only be accessed from a specific proportion of the program

Question 9

Modular

Answer 9

Pieces that are well defined with no dependence on other pieces.

Question 10

Parameter

Answer 10

The local variables created when a function or procedure is called. Parameter are initialized to the values of the argument provided when the procedure or function was called.

Question 11

Problem decomposition

Answer 11

Breaking a problem apart into smaller pieces.

Question 12

Pass

Answer 12

We describe arguments as being passed to a procedure the arguments values are assigned to the procedures parameter.

Question 13

Procedure

Answer 13

A sequence of introductions. The entire sequence is given a name to refer to the procedure from other parts of the program. Similar to a function in programming, but doesn’t have to returned a value.

Question 14

Returned value

Answer 14

Any value that a method or function gives back to the statement command from which the function or method is called.

Question 15

Reverse engineering

Answer 15

Taking a finished production and figuring out how it works

Question 16

Scope

Answer 16

The the portion of a program that knows about a variable. In app inventor, variables are either global (known by the blocks in a screen) or local (known by the blocks in a procedure or for a loop).

Question 17

Sprint task list

Answer 17

A list of small steps to accomplish, breaking down a users story from the backlog

Question 18

Sub domain

Answer 18

A domain named under the control of a higher-level domain name. For example, pltw.org is a sub domain of .org

Question 19

Test user

Answer 19

Person who participates in a usability study

Question 20

Top-level domain

Answer 20

The proportion of a domain name that follows the last period. Examples include .com or .org

Question 21

URL

Answer 21

Abbreviations for uniform resources located. URL is one type of uniform recourses identifier (URI); the generic term for all types of names and addresses that refer to objects on the web. A URL name that uses HTTP / HTTPS protocol is usually referred to as a web address.

Question 22

Usability study

Answer 22

Observation of user interacting with a program to determine the programs strengths and weaknesses for the purpose of improving the ease of use and usefulness of the program.

Question 23

Backlog

Answer 23

A prioritized list of features or user stories to add to a program.

Question 24

Call

Answer 24

When a procedure or function is called, the program executes the procedure or function text.

Question 25

Developer

Answer 25

A person who writes computer code to create technology tools.

Question 26

Function

Answer 26

A sequence of instructions that return a value and can be called from other parts of the program.

Question 27

Groom the catalog

Answer 27

Prioritize a list of items that are on a task list so that the items intended to be accomplished next slots on the list.

Question 28

Internet

Answer 28

The network of computer networks which communicate through common protocols for accessing information contained aside the computers. The internet contains the World Wide Web

Question 29

Local variable

Answer 29

A veritable that can only be accessed from a specific proportion of the program

Question 30

Modular

Answer 30

Pieces that are well defined with no dependence on other pieces.

Question 31

Parameter

Answer 31

The local variables created when a function or procedure is called. Parameter are initialized to the values of the argument provided when the procedure or function was called.

Question 32

Problem decomposition

Answer 32

Breaking a problem apart into smaller pieces.

Question 33

Pass

Answer 33

We describe arguments as being passed to a procedure the arguments values are assigned to the procedures parameter.

Question 34

Procedure

Answer 34

A sequence of introductions. The entire sequence is given a name to refer to the procedure from other parts of the program. Similar to a function in programming, but doesn’t have to returned a value.

Question 35

Returned value

Answer 35

Any value that a method or function gives back to the statement command from which the function or method is called.

Question 36

Value

Answer 36

A value is a particular piece of data such as a number or a string.

Question 37

Web

Answer 37

The World Wide Web or just the web is a subset of the internet. The web consist of pages that can be accessed using a web browser.