W3: Course Preview Topics

Question 1

Computers:

Answer 1

Electronic devices for storing and processing data according to instructions in a program

Question 2

Users:

Answer 2

Interact with applications - high level software

Question 3

Applications:

Answer 3

Interact with an OS

Question 4

OS:

Answer 4

Low level software interacts with hardware

Question 5

Hardware:

Answer 5

Physical devices of a computer system controlled by an OS

Question 6

A computer program is:

Answer 6

A list of instructions telling a computer system what to do

Question 7

Computer programming is…

Answer 7

A process that leads from the formulation of a problem to an executable solution

Question 8

Source code is…

Answer 8

A human readable programming language compiled into software that is now executable code

Question 9

eLearning Tutorials Login needs…

Answer 9

Your seneca credentials and a LinkedIn account

Question 10

Number system:

Answer 10

Represents numeric values

Question 11

Ten fingers:

Answer 11

Base-10 decimal, positional notation

Ones, tens, hundreds, thousands

Question 12

ICT uses ______ binary and _______ hexadecimal

Answer 12

Base 2 binary, base 16 hexadecimal

Question 13

Systems programming is…

Answer 13

Developing software that interacts directly with the computer system itself

Question 14

Software design principles:

Answer 14

Architecture of operating systems that makes programming easier and safer

Question 15

Operating system is…

Answer 15

System software that supports a computer’s basic functions, such as scheduling tasks, executing applications, and controlling memory, hardware, and peripheral devices.

Question 16

Version control

Answer 16

Aka revision control or source control, is the management of changes to software configurations, documents, programs, OS software, websites, and other collection of info.

Ex. Apache Subversion
Git and Github

Question 17

A computer network is…

Answer 17

A set of computers connected together for the purpose of sharing resources

Question 18

An intranet is…

Answer 18

An organization’s local area network

Question 19

The internet is…

Answer 19

A network of networks sharing information, resources, and services

Question 20

Metcalf’s law:

Answer 20

The value of a network is proportional to the number of connected users squared

Question 21

Cloud and Edge Computing is…

Answer 21

Using remote services to store, manage, process data, and run apps rather than on a local server

Question 22

CLI:

Answer 22

Command Line Interface uses textual keyboard input and character output to control an OS

Question 23

TUI:

Answer 23

Textual User Interface - 24 x 80 screen. Vi and Vim

Question 24

GUI:

Answer 24

Graphical User Interface uses graphical elements such as windows, icons, and menus. GUI elements are manipulated by mouse and keyboard

Question 25

User experience:

Answer 25

Look and feel | Useful? Easy to start using? Keep using?

Question 26

File compression is...

Answer 26

A process of packaging a file to use less disk space or bandwidth

Question 27

Backed up is...

Answer 27

Two copies in geographically separate locations on independent systems

Question 28

Authentication:

Answer 28

Verifies a user's identity

Question 29

Authorization:

Answer 29

Gives a user or program permission to do or to access something

Question 30

System analysis:

Answer 30

Finding the problem

Question 31

System development:

Answer 31

Finding the solution

Question 32

Project management:

Answer 32

The discipline of initiating, planning, executing, controlling, and closing the work of a team

Question 33

A software license is...

Answer 33

A legal instrument governing the use or redistribution of both Close and Open software

Question 34

Closed source:

Answer 34

The source code is copyrighted, not published or shared

Question 35

Open source:

Answer 35

Software's source code is shared and developed collaboratively with permissive licensing

Question 36

Intellectual property is...

Answer 36

A work or invention that's the result of creativity to which one has rights, and may apply for a patent, copyright, or trademark

Question 37

Data privacy:

Answer 37

Data belongs to the person, not the organization that collects it