COSC Chapter 4 Review

4 Programs that make System Software

• Operating system- providese GUI

• Utilites- to manage computers

• Device Drivers- to communicate with input/output devices

  • Language Translators- Programming Instructions

System Software

A software that works w users, applications software, and computer hardware to hande a majority of technical details

What is an Operating system?

A collection of Programs that handle technical details related to using a computer

What are the functions of an OS?

• Managing resources (Start the Computer)

• Providing user interface (Provide GUI)

• Running Applications (Multitasking)

Warm Boot

Restarting the computer without turning off the power

Cold Boot

Starting the computer that has been turned off

What is an Mobile OS?

a type of Embedded OS that is less complicated and more specialized for wireless communication

3 Categories of OS

• Embedded OS- Used in cell phones/tablets/small electronic devices

• Stand Alone OS- Used in Laptops and Desktops

• Network OS- Coordinate and control computers that are connected/linked together.

Most widely used mobile OS

• Android

• iOS

What is Windows and what is the most recent version

The most widely used PC OS

Windows 11

What is macOS?

PC operating system for Apple

What is UNIX?

A OS used for mainframe computers and powerful PC’s

Linux

“Open source” and powerful/popular alternative to Windows OS.

Chrome OS

• Based on Linux

• Integrates with Web Servers to run apps and perform OS functions. Depends on cloud computing and storage.

Virtualization

The concept of running multiple OS on a singular computer

Virtual Machine

Allows virtualization and makes it appear as its own independent computer/OS.

Host OS

The OS of the physical machine

Guest OS

The OS for each virtual machine

Virtual Desktop Infrastructure

A collection of hardware and software that allows a user to remotely access virtual machines over the Internet.

What are Utility Programs?

Specialized programs designed to make computing easier.

6 Essentials for Utilites

• Search Programs

• Storage Management Programs

• Backup Programs

• Antivirus programs

• Virtual Assisstants

• Trouble Shooting/Diagnostic Programs

What are Virtual Assisstants?

Utilites that accept commands throughg text or speech to allow interaction with your computer.

Ex) Siri and Cortana

Utility vs Utility Suite

• Utility is a single program

• A Utility Suite is a combination of several programs into one package that is less expensive than buying multiple utilitiy software.

What are OS often called?

• Software environments

• Software platforms