- Mobile web apps are not as fast and have fewer features than native web apps or desktop apps - Poorly designed apps can turn people away - Typing using a small on-screen keyboard can be cumbersome

Chap 4 Flashcards by Onico Chan

A program, or software

consists of a series of related
instructions, organized for a common purpose, that tells the computer what tasks to perform and how to perform them

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consists of programs designed to make users
more productive and/or assist them with personal tasks

application, or app

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is a set of programs that coordinates
all the activities among computer or mobile device
hardware
– Tools and utilities
– System software

An operating system

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The technologies that developers use to create
apps often depends whether they will be
installed on a user’s device or accessed via a
network

– Native app
– Cloud app
– Web app
– Mobile web app

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are apps that you install on your computer’s hard drive

Local apps

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run from a removable storage device such as an
external hard drive, flash drive or the cloud

Portable apps

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an app written for a specific operating system and
installed on a computer or mobile device.

A native app

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programs that you access via the Internet using a
browser on a computer or mobile device

Web apps

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Apps that you access on a smartphone or tablet

mobile apps.

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Programs and apps are distributed in a variety
of forms

– Retail software
– Custom software
– Shareware
– Freeware
– Open source software
– Public domain software

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Productivity applications can assist you in
becoming more effective and efficient while
performing daily activities at work, school, and
home

– Word processing
– Presentation
– Spreadsheet
– Database
– Note taking
– Calendar and contact management
– Project management
– Accounting
– Personal finance
– Legal
– Tax preparation
– Document management
– Support services
– Enterprise computing

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allows users to create and manipulate documents

Word processing software

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allows users to create
visual aids for presentations to communicate
ideas, messages, and other information to a group

Presentation software

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allows users to organize data in columns and rows and perform calculations on the data

Spreadsheet software

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is a collection of data organized in a manner
that allows access, retrieval, and use of that data

database

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allows users to create, access, and manage a
database

Database software

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is an application that enables users
to enter typed text, handwritten comments, drawings,
sketches, photos, and links anywhere on a page

Note taking software

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helps you organize your calendar, keep track of
contacts, and share this information with other users

Calendar and contact management software

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pros mobile apps.

-Mobile web apps can be created
quickly compared to native apps.
-Voice input and smart on-screen
keyboard simplify interactions.
-You can access your information
on the go.

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Cons of mobile apps

Mobile web apps are not as fast
and have fewer features than
native web apps or desktop apps
Poorly designed apps can turn
people away
Typing using a small on-screen
keyboard can be cumbersome

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is a collection of individual
related applications available together as a unit

A software suite

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is a collection of individual
related applications available together as a unit

A software suite

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Project management software

is an application that allows a user to plan, schedule,
track, and analyze the events, resources, and
costs of a project

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apps for personal use that you may use to create documents, develop presentations, track appointments, or stay organized

include word processing, spreadsheets, presentations,
databases, productivity suites, and enterprise computing.

Productivity apps

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you will likely switch back and forth between the following activities.

✓ When you create a project, you enter text or numbers, insert images, add contacts, schedule appointments, and perform other tasks using a variety of input methods, such as a keyboard, a mouse, touch, or voice. ✓To edit is to make a change to the contents of a document, worksheet, or presentation, such as font, spacing, and alignment, among others.

Document management tools

protect and organize files and let you share your documents with others

an application that helps businesses of all sizes record and report their financial transactions

Accounting software

Personal finance software

a simplified accounting application that helps home users and small/home office users balance their checkbooks, pay bills, track personal income and expenses, verify account balances, transfer funds, track investments, and evaluate financial plans

application that assists in the preparation of legal documents and provides legal information to individuals, families, and small businesses

Legal software

an application that can guide individuals, families, or small businesses through the process of filing federal and state taxes

Tax preparation software

saves documents created in any application into a common format that has the same appearance as the original document

Document conversion software

A large organization, commonly referred to as an enterprise, requires special computing solutions because of its size and geographic distribution

– Human resources software – Accounting and finance software – Engineering or product development software – Manufacturing software – Marketing software – Sales software – Distribution software – Customer service software – Information technology software

include still images, animated images, and audio make digital content appealing and entertaining. * The major types of digital media include graphics, animation, video, and audio.

Digital graphics and media

Digital media apps fall into two categories:

✔ Apps that are used to capture, edit, and create digital media ✔ Apps that play digital media

Multimedia authoring software

allows users to combine text, graphics, audio, video, and animation in an interactive application

Website authoring software

helps users create business websites for a variety of purposes

a program that allows you to view images and animations, listen to audio, and watch video files on your computer or mobile device

A media player

overlays information and digital content on top of physical objects or locations

An augmented reality app

provides an immersive user experience

virtual reality app

How Computers Represent Images and Sounds

* Cameras, musical instruments, and video projectors are analog devices. * Computers are digital devices. * A digital recorder turns the sound into numbers representing tones and then generates an electronic signal of numbers

Digital graphics fall into two main types: ✔ Bitmap graphics (raster graphics) assign colors to the smallest picture elements, called pixels. ✔ Vector graphics consist of shapes, curves, lines, and text created by mathematical formulas.

Digital Graphics

can be created and edited using graphics apps, such as Adobe Photoshop and Windows Paint.

Bitmaps

used for creating and editing vector images

Adobe Illustrator

which is a circuit board that computers use to process sound.

A sound card

encodes and usually compresses data for storage and then decompresses the data for playback.

A codec

bundles the video, audio, codec, and other parts into a single package.

A container

breaks words into individual sound units called phonemes and then strings them together to create words and phrases, or synthesized speech

Text-to-speech app

To protect your computer and mobile devices against malware

security tools

a protective barrier between a computer or network and others on the Internet

A firewall

security tool that detects and protects a personal computer and its data from unauthorized intrusions.

A personal firewall

protects a computer against viruses by identifying and removing any computer viruses found in memory, on storage media, or on incoming files.

An antivirus app

is a separate area of a hard drive that holds the infected file until the infection can be removed.

A quarantine

remain on a computer or mobile device until the user deletes them or restores them

Quarantined files

are programs that remove or block certain items from being displayed

Filters

Five widely used Internet filters are anti-spam programs, web filters, phishing filters, pop-up and pop-under blockers, and ransomware apps

is a tool that removes a program, as well as any associated entries in the system files

uninstaller

An image viewer

is a tool that allows users to display, copy, and print the contents of a graphics file, such as a photo

occurs when the program or app stops functioning correctly. This can be caused by an issue with the hardware, the software, a virus or other malware, or using invalid data or commands.

A crash

Troubleshooting

refers to the steps you take to identify and solve a problem, such as a crash.

File managers perform

such as displaying a list of files on a storage medium; organizing files in folders; and copying, renaming, deleting, moving, and sorting files.

tool searches for and removes unnecessary files

A disk cleanup

is a tool that reorganizes the files and unused space on a computer’s hard disk so that the operating system accesses data more quickly and programs run faster

A disk defragmenter

a tool that causes a display device’s screen to show a moving image or blank screen if no keyboard or mouse activity occurs for a specified time

A screen saver

A file compression tool

shrinks the size of a file(s)

A PC maintenance tool

is a program that identifies and fixes operating system problems, detects and repairs drive problems, and includes the capability of improving a computer’s performance

A backup tool

allows users to copy, or back up, selected files or the contents of an entire storage medium to another storage location

reverses the process and returns backed up files to their original form

A restore tool

A power management tool

monitors a laptop or mobile device’s battery usage, showing apps that consume the most battery power, displaying battery usage since the device was last charged, and estimating usage time remaining