2.1.3 - 2.1.5 Notes

Question 1

To give permission, for example, to access information.

Answer 1

authorization

Question 2

A method of computer access control in which a user is only granted access after successfully presenting several separate pieces of evidence to an authentication mechanism, typically in at least two of the following categories: knowledge (something they know); possession (something they have), and inherence (something they are).

Answer 2

multi-factor authentication

Question 3

A program that provides visual navigation with menus and screen icons, and performs automated functions when users click command buttons.

Currently the dominant method for designing human-computer interaction

Answer 3

GUI (graphical user interface)

Question 4

A way programmers share their code with other programmers. In object-oriented libraries, it specifies the methods of each class.

Answer 4

API (application programming interface)

Question 5

chunks of code that have been designed to be added easily to a user’s website or profile page

Standard component of GUI

Answer 5

widgets

Question 6

An input value to a command that specifies the values of the parameters when a procedure is called.

Answer 6

argument

Question 7

A mistake in the algorithm or program that causes it to behave incorrectly, unexpectedly, or with undesirable results. The code compiles and runs but causes problems elsewhere, for example, giving incorrect information or mismanaging data.

Answer 7

logic errors

Question 8

Precise rules defining how the letters, words, and punctuation of a programming language are required to be used together.

Answer 8

syntax

Question 9

A mistake in the program that occurs during the execution of a program. Programming languages define their own run-time errors.

Answer 9

runtime error

Question 10

A literal value (such as 5 or “hello”) that is hard coded into a program instead of being assigned to a well-named variable. When used in large programs, they can be hard to find, their purpose hard to learn, and debugging them difficult.

Answer 10

magic number

Question 11

A designated stopping place in your code. Using a debugger, it lets you examine the state of the program and its variables.

Answer 11

breakpoint

Question 12

A person who is responsible for managing computers, networks, servers, and other computing resources for an organization or group.

Answer 12

system administrator

Question 13

attempt to discover information through trial and error

Answer 13

brute force attack

Question 14

more than one word being used for a password

increases password strength

Answer 14

passphrase

Question 15

confirm identity with knowledge known only to yourself

Answer 15

authentication

Question 16

two-dimensional region within a window in which widgets can be housed

Answer 16

frame

Question 17

an expression that evaluates to either true or false

Answer 17

boolean expression