Block 3 Unit 1A, 1B & 1C

Operating System(OS)

Operating System(OS)

software that acts as an interface between hardware and a user

Operating System(OS)

performs basic tasks… recognizing input from the mouse and keyboard, sending output to monitor and printer, keeping track of files and folders

Command Line Interface (CLI), Graphical User Interface (GUI)

Users can interact directly with the OS through a user interface such as _______ or a ________

windows 10

developed by Microsoft as a personal and business computer operating system. Airforce wide Enterprise

UNIX

OS developed to operate on a wide range of computer systems, Portability, Flexibility and power make it a leading OS for workstations

Linux

freely-distributable open source OS that runs on a number of hardware platforms, Bases on UNIX

Scripting

can make tasks, such as performing a backup off th networks remedy ticket Database

Data

meaningful information within a database

Database

purpose of a database is to collect meaningful information

DataBase

Organized for searching and retrieving info, Data is stored in tables having rows and columns like a spreadsheet, collection of integrated tables.

DataBase Management System(DBMS)

set of programs and utilities on a computer to create, process, and administer a database

Flat Files

database consists of only one large table

Relational Database

consists of numerous tables containing rows and columns of data.

Schema

its structure describes in formal language supported by the database management system

Virtual Machine (VM)

Combination of software applications and an operating system tricked into thinking it has its own dedicated hardware

Host server

The computer on which the virtualization environment resides

Hypervisor

is he link managing the communications between the host server and the virtualized environment

Guest OS

installed on virtual computer architecture and allows for end-user interaction

Server Virtualization

Most common type of virtualization, main types are operating-system-level virtualization, hardware emulation and para-virtualization

Client Virtualization

technology used to separate a desktop computer environment from the physical device used to access it, main types include presentation, intelligent desktop, application and user profile virtualization. Virtual desktop infrast. and application streaming

Flexibility of Work Practices

ability to access data from home, on holiday