Chapter 3

Question 1

typers of computers and mobile devices?

Answer 1

Laptops, tablets, and desktops
Servers and terminals
Smartphones, digital cameras, e-book readers, portable and digital media players and wearable devices
Game devices
Embedded computers

Question 2

mobile computer

Answer 2

is a portable personal computer, designed so that a user easily can carry it from place to place

Question 3

pc computer

Answer 3

personal computer: is a mobile computer or desktop that can perform all of its input, processing, output, and storage activities by itself and is intended to be used by one person at a time

Question 4

laptop

Answer 4

also called a notebook computer, is a thin, lightweight mobile computer with a screen in its lid and a keyboard in its base

Question 5

tablet

Answer 5

is a thin, lighter-weight mobile computer that has a touch screen

Question 6

handheld computer

Answer 6

comptuer small enough to fit into one hand ex. fedex package scanner

Question 7

stick computer

Answer 7

small computer which usually is the same size as, or a little larger than a usb flash drive

Question 8

desktop

Answer 8

or desktop computer, is a personal computer designed to be in a stationary location, where all of its components fit on or under a desk or table

Question 9

server

Answer 9

A server is a computer dedicated to providing one or more services to other computers or devices on a network
Rack server
Blade server
Tower server

Question 10

virtualizatio

Answer 10

Virtualization is the practice of sharing or pooling computing resources, such as servers and storage devices
Server virtualization uses software to enable a physical server to emulate the hardware and computing capabilities of one or more servers, known as virtual servers

Question 11

server farm

Answer 11

is a network of several servers together in a single location

Question 12

mainframe

Answer 12

is a large, expensive, powerful server that can handle hundreds or thousands of connected users simultaneously

Question 13

terminal

Answer 13

a computer usually with limited processing power, that enables users to send data to and/or receive information from a server, or host computer
ex. self checkout at grocery store

Question 14

ATM?

Answer 14

(automated teller machine) is a self-service banking terminal that connects to a host computer through a network

Question 15

self service

Answer 15

kiosk is a freestanding terminal that usually has a touch screen for user interaction
ex. getting ticket at a iosk at an airport

Question 16

supercomptuer

Answer 16

is the fastest, most powerful computer – and the most expensive
Capable of processing many trillions of instructions in a single second

Question 17

cloud computing

Answer 17

refers to an environment that provides resources and services accessed via the Internet

Question 18

smarthphone

Answer 18

an Internet-capable phone that usually also includes a calendar, an address book, a calculator, a notepad, games, browser, and numerous other apps

Question 19

short message service (SMS)

Answer 19

Mobile to mobile
Mobile to email
Mobile to provider
Web to mobile

Question 20

multimedia service (MMS)

Answer 20

Mobile to mobile

Mobile to email

Question 21

portable media player

Answer 21

ex ipod

Question 22

digital media player

Answer 22

or streaming media player is a device, typically used in a home, that streams digital media from a computer or network to a television, projector, or some other entertainment device

Question 23

wearable device

Answer 23

or wearable is a small, mobile computing device designed to be worn by a consumer

ex. smartwatch

Question 24

handled game device

Answer 24

PSP

Question 25

embedded computer

Answer 25

is a special-purpose computer that functions as a component in a larger product
Consumer electronics
Home automation devices
Automobiles
Process controllers and robotics
Computer devices and office machines

Question 26

port

Answer 26

the point at which a peripheral device attaches to or communicates with a computer or mobile device so that the peripheral device can send data to or receive information from the computer or mobile device
- place where u can plug something in ex. hdmi port

Question 27

connector?

Answer 27

joins a cable to a port

Question 28

usb port?

Answer 28

, short for universal serial bus port, can connect up to 127 different peripheral devices together with a single connector

Question 29

sruge protector

Answer 29

protects from over voltage from a storm and pvides a steady flow of enerfgy
- could have undervoltage

Question 30

uninterruptible power supply (UPS)

Answer 30

is a device that contains surge protection circuits and one or more batteries that can provide power during a temporary or permanent loss of power