Chapter 1 Flashcards
computers
is an electronic device, operating under the control of instructions stored in its own memory
server?
server provides services to other computers or devices on a network.
examples of mobile and game devices
Smartphone Digital camera Portable and digital media player E-book reader Wearable device Game device
a computer does what?
a computer processes data into information
a scanner?
scanner is a light-sensing input device that converts printed text and images into a form the computer can process
output device?
is any hardware component that conveys information from a computer or mobile device to one or more people
exmples of different pointing devices?
mouse and touchpad
a printer
is an output device that produces text and graphics on a physical medium, such as paper or other material
A 3-D printer can print solid objects, such as clothing, prosthetics, eyewear, implants, toys, parts, prototypes, and more
memory?
consists of electronic components that store instructions waiting to be executed and the data needed by those instructions
A computer keeps data, instructions, and
storage device?
records (writes) and/or retrieves (reads) items to and from storage media
storage media
A computer keeps data, instructions, and information on storage media
what is the difference between a hard disk and solid state drive
Like a memory stick, there are no moving parts to an SSD. Rather, information is stored in microchips. Conversely, a hard disk drive uses a mechanical arm with a read/write head to move around and read information from the right location on a storage platter. This difference is what makes SSD so much faster.
difference between an optical disk and cloud storage
cloud storage is the cloud but optical disk is a disk u put in your computer that store info
what is the itnernet?
is a worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individual
web server?
computer that delivers requrested webpages to your computer or mobile device
website
colelction of related web pages
web
consists of a worldwide collection of electronic documents, each of which is called a webpage
browser
software that enables users with an Internet connection to access and view webpages on a computer or mobile device
search engine
is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic
online social network
also called a social networking site, is a website that encourages members in its online community to share their interests, ideas, stories, photos, music, and videos with other registered users
green computing
involves reducing the electricity consumed and environmental waste generated when using a computer
software
also called a program, tells the computer what tasks to perform and how to perform them
- System Software
Operating system
Tools
communication device and examples
is hardware capable of transferring items from computers and devices to transmission media and vice versa
Modems, wireless access, and routers
Examples of wireless communications technologies include:
Wi-Fi
Bluetooth
Cellular radio
