Class 8 Flashcards
Definition: Sphere of influence
Scope of problems and opportunities addressed by an organization
What are the 3 types of software?
Personal, Group and Enterprise
What are examples of personal software?
Smartphone, workstation OS, word-processing, spreadsheets, graphics, etc.
What are examples of a group software?
Network OS, email group scheduling, collaboration
What are examples of enterprise software?
Server and mainframe OS, general ledger, order-entry, payroll, and HR
Definition: Operating System
Set of programs that control computer hardware
Definition: Kernel
Heart of OS
Definition: Utility Program
Program that maintains or corrects problem within a system
Definition: Sysintenals Suite
Collection of windows utilities
Definition: Middleware
Software that allows different apps to communicate and exchange data. Ties together CRM, ERP AND SCM.
Definition: Proprietary software
One of a king program for specific application
Definition: Syntax
Set of rules associated with programming language
Definition: Telecom Medium
Material substance carrying electronic signal to support communications
Definition: Channel Bandwidth
Rate at which data is exchanged
Definition: Wireless Telecom
Signals are broadcasted over airwaves as a form of electromagnetic radiation
How does a Infrared LOS work?
Works like a TV remote. Must be unobstructed
Definition: Microwave
High frequency radio signal using satellite systems
Definition: Terrestrial Microwave
LOS technology used to connect buildings where cable installation is too expensive
Definition: Satellite Microwave
LOS technology that uses relay stations to transfer signals between antenna and satellites in space
Definition: Cellular Phone
Two-way wireless communication. Uses unique frequencies
Definition: NFC
Near Field Communication - Uses very short-range wireless connectivity technology
Definition: UWB
Ultra Wide Band - Short range communications that employ short electromagnetic pulses
Definition: PAN
Personal Area Network - Supports interconnection of IT close to one person
Definition: LAN
Local Area Network - Connects computer systems and devices within a small area
Definition: MAN
Metropolitan Area Network - Connects users and their devices in an area that spans a campus or city