IS Unit 3 Flashcards
Enumeration:
Types of Computer Systems
- Microcomputer SYSTEMS
- Midrange SYSTEMS
- Mainframe SYSTEMS
Personal computers, network computers, technical workstations, personal digital assistants, information appliances, etc.
Microcomputer Systems
Network servers, minicomputers, web servers, multiuser systems, etc.
Midrange Systems
Enterprise systems, Superservers, transaction processors, supercomputers, etc.
Mainframe Systems
It is the most important category of computer systems for both businesspeople and consumers. Although usually called a personal computer, or PC, a______is much more than a small computer for use by an individual as a communicator device.
Microcomputer Systems
________is the generic name given to all input, output, and secondary storage devices that are part of a computer system but are not part of the CPU.
Peripherals
Extremely powerful systems designed for Scientific, engineering, and business applications requiring extremely high speeds for massive numeric computations.
Supercomputer Systems
Keyboards are still the most widely used devices for entering data and text into computer systems. However, _______are a better alternative for issuing commands, making choices, and responding to prompts displayed on your video screen. They work with your operating system’s graphical user interface (GUI),
Pointing Devices
_______depend on direct connections or telecommunications links to the central processing unit of a computer system.
Peripherals
Enumeration:
Kinds of Pointing Devices
- ELECTRONIC MOUSE
- TRACKBALL
- POINTING STICK
- TOUCH PAD
A ______ (also called a trackpoint) is a small button-like device, sometimes likened to the eraser head of a pencil.
POINTING STICK
Is the most popular pointing device used to move the cursor on the screen, as well as issue commands and make icon and menu selections
ELECTRONIC MOUSE
Is a stationary device related to the mouse.
TRACKBALL
The ______is a small rectangular touch-sensitive surface usually placed below.
TOUCH PAD
it is a model for allowing convenient, on demand access from anywhere to a shared pool of computing resources.
CLOUD COMPUTING
Enumeration:
Types of Software
- System software
- Application software
- Programming software
- Middleware
_________are software applications designed to help individuals manage personal information, such as contacts, calendars, tasks, notes, and sometimes
PERSONAL INFORMATION MANAGERS
A software that helps workgroups and teams collaborate to accomplish group assignments.
GROUPWARE
__________ in software refers to the efficient allocation and utilization of resources such as CPU, memory, storage, and network bandwidth.
RESOURCE MANAGEMENT
___________in software involves organizing, storing, retrieving, and manipulating files and data within a computer system.
FILE MANAGEMENT
___________in software involves organizing, tracking, and prioritizing tasks or activities to ensure efficient completion of goals and projects.
TASK MANAGEMENT
Computer operating system (OS) developed by Microsoft Corporation to run.
Microsoft Windows
Who developed Microsoft?
Bill Gates and Paul Allen (1975)
Date that Windows 1 released.
1985
Date that Windows 3.1 released.
1992
Date that Windows 95 released.
1995
Date that Windows NT released.
1995
Date that Windows 98 released.
1998
Date that Windows XP released.
2001
Date that Windows Vista released.
2006
Date that Windows 7 released.
2009
Date that Windows 8 released.
2012
Date that Windows 10 released.
2015
Low-cost, powerful, reliable, UNIX-like operating system
Linux
Developed as free or low-cost shareware or open-source software over the internet in the 1990s by Linus Torvald of Finland and millions of programmers
Linux
Multitasking, multiuser, network-managing OS whose portability allows it to run on mainframes, midrange computers, and microcomputers.
Unix
Software with source code that anyone can access.
Open-Source Software
Developed by AT&T
Unix
A programming language for creating Web pages
HTML (Hyper Text Markup Language)
developers collaborate on the development of an application using programming standards that allow for anyone to contribute to the software.
Open-Source Software
A page description language that creates hypertext or hypermedia documents
HTML (Hyper Text Markup Language)
A programming language used to develop mobile apps, web apps and much more.
Java
A programming language that supports information exchange between computer systems.
XML (eXtensible Markup Language)
An object-oriented programming language created by Sun Microsystems
Java
The word “calculate” is derive from _______, the Latin word for __________.
- calculus
- small stone, pebbles, beads
It is a developer platform with tools and libraries for building any type of app.
collection of programming support
.Net
Software components that are based on a framework of Web and object-oriented standards and technologies for using the Web that electronically link the applications of different computing platform.
Web Services
Computer comes from Latin word ______that means _________
- Computare
- To compute, To recall
teraflops mean?
trillions of floating-point operations per
First computing tool
Abacus
gigaflops mean?
billions of floating-point operations per