Chapter 1 Flashcards
What are business practices?
setting practices that should be implemented throughout the work day. (Code of conducts , dress code, etc)
most important part of an information system
people
Information Technology
the study, design, development, implementation, support, and management of computer based information systems particularly software and hardware
Sarbanes Oxley Act of 2002
attempts to protect investors from accounting and reporting fraud
Moores Law
computing power doubles every 18 months
Leaders
aka first adopters are the businesses that are the first to buy new tech
Followers
businesses that do not buy new tech and wait for the leaders to see if there is any advantage
Computer hardware
the tangible or physical part of a computer like circuit boards, chipsets, and keyboards
Mainframe computers
are massive room sized computers that process and store enormous amounts of bulk data and information, typically used by very large organizations like credit card processors who use them for transaction processing and vital applications, they require a huge amount of physical space and have special requirements like specialized ac units and fire protections systems
Midrange computers
(sometimes called minicomputers) are less powerful and smaller in physical size than mainframe computers but do many of the same things but on a smaller scale. small to medium sized businesses who cant afford mainframes can use these in the same way
Micro computers
smaller than mainframes and midrange computers and are so common that they are commonly referred to simply as computers or boxes, they are the least powerful computers in terms of processing and come in 4 typical configurations: desktop, laptop, tablet, and handheld
Desktop/laptop computers
desktops are made to reside on a desk and is not portable, while laptops have the same basic component and are designed specifically for portability
Handheld computers
often referred to as personal digital assistants or PDA’s are compact but far less powerful than desktops or laptops, they contain embedded operating systems and are well suited for a business environment as they are typically used to organize information
Software
is a collection of computer programs that accomplish a specific task
Application software
this software does not work without system software or operating software
Operating system
called a platform, is a collection of computer programs that work together to manage hardware and software to ensure that they are working properly. it is the groundwork for all system software and performs jobs like allocating memory, administering input and output, and file management, the part of the computer that coordinates memory
Platforms (operating systems)
the most popular platforms in todays market are Microsoft Windows, Mac IOS, Linux, and UNIX.
File management
one of the most important jobs of an operating system, and it is a way to store and organize files to the memory of a computer, operating systems are made up of a hierarchy of directories called folders
Computer folders
are the modern counterparts of printed documents that in the past were typically stored in a file cabinet
Graphical User Interface (GUI)
is how information is represented on a monitor…….this is Microsoft windows file management system, this is the inner workings of a physical filing cabinet that contains file folders that house paper files.
File manager
is part of an operating system that a computer uses to display the filing system
Multitasking
where a computer runs more than one process at a time
Process
is any task a computer performs
Memory Management
operating systems coordinate a computers memory which includes cache, random access memory (RAM), registers, and virtual memory
