Chapter 1

Question 1

computers

Answer 1

is an electronic device, operating under the control of instructions stored in its own memory

Question 2

server?

Answer 2

server provides services to other computers or devices on a network.

Question 3

examples of mobile and game devices

Answer 3

Smartphone
Digital camera
Portable and digital media player
E-book reader
Wearable device
Game device

Question 4

a computer does what?

Answer 4

a computer processes data into information

Question 5

a scanner?

Answer 5

scanner is a light-sensing input device that converts printed text and images into a form the computer can process

Question 6

output device?

Answer 6

is any hardware component that conveys information from a computer or mobile device to one or more people

Question 7

exmples of different pointing devices?

Answer 7

mouse and touchpad

Question 8

a printer

Answer 8

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

Question 9

memory?

Answer 9

consists of electronic components that store instructions waiting to be executed and the data needed by those instructions
A computer keeps data, instructions, and

Question 10

storage device?

Answer 10

records (writes) and/or retrieves (reads) items to and from storage media

Question 11

storage media

Answer 11

A computer keeps data, instructions, and information on storage media

Question 12

what is the difference between a hard disk and solid state drive

Answer 12

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.

Question 13

difference between an optical disk and cloud storage

Answer 13

cloud storage is the cloud but optical disk is a disk u put in your computer that store info

Question 14

what is the itnernet?

Answer 14

is a worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individual

Question 15

web server?

Answer 15

computer that delivers requrested webpages to your computer or mobile device

Question 16

website

Answer 16

colelction of related web pages

Question 17

web

Answer 17

consists of a worldwide collection of electronic documents, each of which is called a webpage

Question 18

browser

Answer 18

software that enables users with an Internet connection to access and view webpages on a computer or mobile device

Question 19

search engine

Answer 19

is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic

Question 20

online social network

Answer 20

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

Question 21

green computing

Answer 21

involves reducing the electricity consumed and environmental waste generated when using a computer

Question 22

software

Answer 22

also called a program, tells the computer what tasks to perform and how to perform them
- System Software
Operating system
Tools

Question 23

communication device and examples

Answer 23

is hardware capable of transferring items from computers and devices to transmission media and vice versa

Modems, wireless access, and routers

Question 24

Examples of wireless communications technologies include:

Answer 24

Wi-Fi
Bluetooth
Cellular radio

Question 25

netwrok

Answer 25

network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media
- server manages the resources on a network, and clients access the resources on the server. This network

Question 26

home networks vs business netowrks

Answer 26

lot of fun things vs primarily focused on sharing data, information and software