chapter 4

Question 1

System Software

Answer 1

works with application software and computer hardware handle stechnical details

Question 2

systems software includes

Answer 2

operating systems, utilities, device drivers, and language translators

Question 3

operating systems

Answer 3

collection of programs that handle technical tasks

Question 4

operating system functions

Answer 4

manage resources, provide user interface (command line interface, graphical user interface) runs applications (multitasking, foreground and background applications)

Question 5

Operating system utilities

Answer 5

antivirus software, endpoint protections, regular OS patch updates, firewall for monitoring network traffic, enforcement of secure access through least priveleges, user controls

Question 6

categories of operating systems

Answer 6

embedded operating systems - RTOS, stand alone operating systems, network operating systems

Question 7

mobile operating systems

Answer 7

embedded operating system (Android, iOS)

Question 8

Desktop Operating systems

Answer 8

WIndows - most widely used 1985, Mac Os - UNIX operating system 1999, UNIX -made be Bell Labs in 1960s runs on minicomputers, LINUX - made by Linus Torvalds in 1991 non proprietary, open sourcem free to distribute and modufy

Question 9

virtualization

Answer 9

ability to support multiple operating systems on a single physical machine (Host OS, Guest OS) (Parallels, VirtualBox, VMware, Hyper V - programs that for ex allow mac to run windows programs)

Question 10

Most essential utilities

Answer 10

Search Programs
* Storage Management Programs
* Backup Programs
* Antivirus Programs
* Troubleshooting Programs
* Virtual Assistants (e.g., Cortana, Siri, Google, Alexa, etc.

Question 11

Utility suites

Answer 11

combine several programs into one packaage, less expensive (Bitdefender, Norton Utilities)