LE1

Question 1

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

Answer 1

A computer

Question 2

What is the Information Processing Cycle

Answer 2

Input > Process > Output

Question 3

A computer contains many electric, electronic, and

mechanical components known as _________

Answer 3

Hardware

Question 4

Give 5 hardware in a computer system.

Answer 4

Input Device, Output Device, System unit, Storage device, Communication device

Question 5

This hardware allows you to enter data and instructions into a computer

Answer 5

Input device

Question 6

Hardware component that conveys information to one or more people

Answer 6

Output device

Question 7

Hardware component case that contains the electronic components of the computer that
are used to process data

Answer 7

System unit

Question 8

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

Answer 8

Storage device

Question 9

Hardware component that enables a computer to send and receive data, instructions, and
information to and from one or more computers or mobile devices

Answer 9

Communication device

Question 10

Give 5 advantages of using a computer

Answer 10

Speed
Reliability
Consistency
Storage
Communications

Question 11

Give 5 disadvantages of using a computer

Answer 11

Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on Environment

Question 12

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

Answer 12

Green computing

Question 13

Give 4 strategies of green computing

Answer 13

Recycling
Regulating manufacturing processes
Extending the life of computers
Immediately donating or properly disposing of replaced computers

Question 14

It is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media

Answer 14

Network

Question 15

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

Answer 15

Internet

Question 16

____, also called a ____ tells the
computer what tasks to perform and how to
perform them

Answer 16

Software ; Program

Question 17

What are the 2 types of software?

Answer 17

System software and application software

Question 18

What are the 2 types of system software?

Answer 18

Operating system and utility program

Question 19

It is the process of setting up software to
work with the computer, printer, and other
hardware

Answer 19

Installing

Question 20

develops
software or writes the
instructions that direct
the computer to
process data into
information

Answer 20

Programmer

Question 21

What are the 7 categories of computers?

Answer 21

Personal computers, Mobile computers and mobile devices, Game consoles, Servers, Mainframes, Supercomputers, Embedded computers
(PaMGaSaMSE)

Question 22

It is a personal computer you
can carry from place to
place

Answer 22

Mobile computers

Question 23

It is a computing device small
enough to hold in your
hand

Answer 23

Mobile devices

Question 24

It is a mobile computing device designed for single‐player or multiplayer video games

Answer 24

Game console

Question 25

It is a controls access to the hardware, software, and other resources on a network. Provides a centralized storage area for programs, data, and information.

Answer 25

Server

Question 26

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

Answer 26

Mainframe

Question 27

It is the fastest, most powerful computer

Answer 27

Supercomputer

Question 28

It is a special‐purpose computer that functions as a component in a larger product

Answer 28

Embedded computer

Question 29

What are the 5 elements of an information system?

Answer 29

Hardware, Software, Data, People, Procedures

Question 30

What are the 8 computer applications in the society?

Answer 30

``` Education Finance Government Health Care Science Publishing Travel Manufacturing ```

Question 31

Give 5 examples of computer usage

Answer 31

``` Home User Small Office User Mobile User Power User Enterprise User ```

Question 32

It describes a process in which two or more computers or devices transfer data, instructions, and information

Answer 32

Computer communication

Question 33

Give the process of computer communications?

Answer 33

Sending device - Communication channel - Receiving device

Question 34

Give 15 uses of computer communications

Answer 34

``` Web Web 2.0 Web folder Internet Wikis Email Fax Blogs Chat rooms Instant messaging Video conferencing Newsgroups VoIP FTP RSS ```

Question 35

It allows users to send and receive short text messages on a phone or other mobile device or computer

Answer 35

Text messaging (SMS)

Question 36

It allows users to send pictures and sound files

Answer 36

Picture Messaging

Question 37

It allows users to send short video clips

Answer 37

Video Messaging

Question 38

It allow people to connect wirelessly to the Internet from home, work, school, and in many public locations

Answer 38

Wireless Internet access points

Question 39

It is a coffeehouse, restaurant, or other location that provides personal computers with Internet access to its customers

Answer 39

Cybercafe

Question 40

It is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the GPS receiver’s geographic location

Answer 40

GPS

Question 41

It is a Web application that combines services from two or more sources

Answer 41

Mashup

Question 42

It is a collection of computers and devices connected together via communications devices and transmission media

Answer 42

Network

Question 43

What are the 5 advantages of a network?

Answer 43

``` Facilitating communications Sharing hardware Sharing software Sharing data and information Transferring Funds ```

Question 44

It is a network that connects computers and devices in a limited geographical area

Answer 44

LAN

Question 45

It is a LAN that uses no physical wires

Answer 45

WLAN

Question 46

It connects LANs in a metropolitan area

Answer 46

Metropolitan area network (MAN)

Question 47

It is a network that covers a large geographical area

Answer 47

Wide area network (WAN)

Question 48

It describes an Internet network on which users access each other’s hard disks and exchange files directly over the Internet

Answer 48

P2P

Question 49

It refers to the layout of the computers and devices in a communications network

Answer 49

Network topology

Question 50

It is an internal network that uses Internet technologies

Answer 50

Intranet

Question 51

It allows customers or suppliers to access part of its intranet

Answer 51

Extranet

Question 52

Give 10 communication standards

Answer 52

``` Ethernet Token ring TCP/IP Wi-Fi Bluetooth UWB IrDA RFID WiMAX WAP ```

Question 53

It is a network standard that specifies no computer controls when data can be transmitted

Answer 53

Ethernet

Question 54

It standard specifies that computers and devices on the network share or pass a special signal

Answer 54

Token Ring

Question 55

It is a network standard that defines how messages are routed from one end of a network to another

Answer 55

TCP/IP

Question 56

It identifies any network based on the 802.11 standard that facilitates wireless communication

Answer 56

Wi-Fi

Question 57

It has a transfer rate of 1 or 2 Mbps

Answer 57

802.11

Question 58

It has a transfer rate of up to 54 Mbps

Answer 58

802.11a

Question 59

It has a transfer rate of up to 11 Mbps

Answer 59

802.11b

Question 60

It has a transfer rate of 54 Mbps and higher

Answer 60

802.11g

Question 61

It has a transfer rate of 108 Mbps and higher

Answer 61

802.11n

Question 62

It uses short-range radio waves to transmit data

Answer 62

Bluetooth

Question 63

It uses short-range radio waves to communicate at high speeds

Answer 63

UWB

Question 64

It transmits data wirelessly via infrared (IR) light waves

Answer 64

IrDA

Question 65

It uses radio signals to communicate with a tag placed in or attached to an object, animal, or person

Answer 65

RFID

Question 66

It is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device

Answer 66

Communication device

Question 67

It uses the cell phone network to connect to the Internet wirelessly from a notebook computer, a smart phone, or other mobile device

Answer 67

Wireless modem

Question 68

It enables a computer or device to access a network

Answer 68

Network card

Question 69

It is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to a wired network

Answer 69

Wireless access point

Question 70

It connects multiple computers or other routers together and transmits data to its correct destination on a network

Answer 70

Router

Question 71

It connects several devices in a network together

Answer 71

A hub or switch

Question 72

What are the 3 types of wired home networks?

Answer 72

Ethernet Powerline cable Phoneline

Question 73

The amount of data that can travel over a communications channel sometimes is called the ________

Answer 73

Bandwidth

Question 74

It is the time it takes a signal to travel from one location to another on a network

Answer 74

Latency

Question 75

It carries one or more signals

Answer 75

Transmission media

Question 76

It transmit multiple signals simultaneously

Answer 76

Broadband