Chapter 2: Computer COmponents Flashcards
3 COMPONENTS OF A COMPUTER SYSTEM
- Peopleware
- Software
- Hardware
the personnel who manage the Electronic Darta Processing (EDP) system, who design application, write, and encode programs.
Peopleware
- The most important component of a computer system.
Peopleware
7 EXAMPLES OF PEOPLEWARE:
- Users
- Programmers
- System Analysts
- System/Network Administrator
- Technical Support
- Account Managers and Executives
- Business Analysts
the non-physical components such as a computer programs, computer language, and operating system.
Software
It means the computer instruction or data.
Software
4 TYPES OF SOFTWARE
- System Software
- Application Software
- Open-Source Software
- Proprietary Software
includes the Operating System and all the utilities that enables the computer to function.
System Software
is a program that manages the computer hardware.
Operating System
3 EXAMPLES OF OS:
- Microsoft Disk Operating System (MS-DOS)
- Microsoft Windows
- Macintosh OS
is a computer OS system by Microsoft Corporation. Uses command lines to use different functionalities of the system.
Microsoft Disk Operating System (MS-DOS)
an OS that provides software GUI use on IBM and compatible computers.
Microsoft Windows
is a series of graphical operating system developed by Apple Inc.
Macintosh OS
this type of software includes program that do real work for uses.
Application Software
3 EXAMPLE OF APPLICATION PACKAGES:
- Word Processor
- Spreadsheets
- Graphic Presentation
is a tool that helps user in creating, editing, and printing documents.
o Word Processor
are designed to use numbers and formulas to do calculations with ease.
Spreadsheets
can make giving presentation and using overheads easier.
Graphic Presentation
a computer software whose source code is available under a license that permits users to use, change, and improve software, and to redistribute it.
Open-Source Software
are called non-free software. This software has restriction on using, copying, and modifying as enforced by the proprietor.
d. Proprietary Software
the computer and all of its physical components such as disk drives, printer, and input terminals.
Hardware
5 FUNCTIONAL COMPONENTS OF HARDWARE
- Input Devices
- Output Devices
- Central Processing Unit
- Secondar Storage Unit
- Data Communication Devices
is defined as the process of entering data into the computer memory and issuing command that tell the processor how to work with the data.
Data Entry
is the standard input device of most computer. Use to enter information into the computer and for giving commands.
Keyboard
a keyboard that is set up in a way that allows the hand and wrists to be in a natural position to avoid muscle strain ang fatigue.
Ergonomic Keyboard
is hand-clicker device for pointing
Mouse
an input device operating by rolling its ball across a flat surface.
Mouse
4 TYES OF MOUSE
o Wireless
o Wired
o Optical
o Roller
it is like a stationary, upside-down mouse.
Trackball
it is commonly used for computer games.
Joystick
is a device used to draw, write, or issue commands when it touches a specially designed screen.
Lightpen
an input device that converts a pattern of printed bars into a number that a computer can read.
Barcode Scanner
is a pointing device featuring a tactile sensor.
Touchpad/Trackpad
is a device that allows picture be placed into a computer.
Scanner
allows the user to record sounds as input to their computer.
Microphone
a peripheral that allows users to create picture or vides in digital format.
Digital Camera
consists of methods to uniquely recognizing human based upon one or mode intrinsic physical or behavioral traits.
Biometric Devices
a security system of biometric that uses fingerprints.
Fingerprint Scanner
is a biometric technique that uses the unique pattern of a person’s retina.
Retinal Scanner
a device that reads smart cards.
Smart Card Reader
is any pocket-sized card with embedded integrated circuits.
Smart Card
are pair of small loudspeakers, held close to a user’s ears,
Headsets
a hardware which connects to a computer, broadband, or wireless router. Converts information from analog to digital formats.
Modem (Modular Demodulator)
