Chapter 2

Question 1

Operating system

Answer 1

runs on a computing device and manages the hardware and software components that make up a functional computing system

Question 2

Apple’s macOS

Answer 2

fully-qualified UNIX distribution based on BSD Unix, complemented by a large amount of proprietary code.

Question 3

Microsoft Windows

Answer 3

Only major OS that’s non UNIX/Linux based

Question 4

Release cycle

Answer 4

OS & software upgrades that come on a periodic basis

Question 5

Maintenance cycle/Life cycle

Answer 5

Support of older versions of software for a period of time before not offering any more updates

Question 6

Beta

Answer 6

When a software releases new features that haven’t been tested

Question 7

Stable

Answer 7

After software has been tested

Question 8

Backward compatibility

Answer 8

Refers to the ability of later OS to be compatible with software made for earlier versions.

Question 9

graphical user interface (GUI)

Answer 9

Pioneered at Xerox PARC

Question 10

New versions of Linux

Answer 10

Comes out twice a year around March and September

Question 11

Raspbian

Answer 11

specialized Linux distro optimized to run on Raspberry Pi hardware

Question 12

Embedded Systems

Answer 12

Designed to do specific task on hardware optimized only for that purpose