The document discusses various types of computer input devices including keyboards, mice, touch screens, scanners, cameras, and biometric devices. It describes how each device works and provides examples of their common uses. Input devices allow users to enter data, instructions, and commands into computers through typing, pointing, speaking, scanning, and other methods. The document aims to provide an overview of the different input technologies available.
5 pen PC technology is one of the most awaiting tchnology in the world.
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Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Model Attribute Check Company Auto PropertyCeline George
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The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
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Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
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Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Honest Reviews of Tim Han LMA Course Program.pptxtimhan337
Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
1. Discovering
Computers 2011
Living in a Digital World
2. Objectives Overview
Identify the keys and buttons
commonly found on desktop
Define input and differentiate computer keyboards, and
Describe different mouse types
among a program, command, and describe how keyboards for
and explain how to use a mouse
user response mobile computers and devices
differ from desktop computer
keyboards
Describe various types of touch Describe various types of pen
Summarize the purpose of various
screens and explain how a touch- input, and identify other types of
game controllers
sensitive pad works input for smart phones
See Page 257 Discovering Computers 2011: Living in a Digital World 2
for Detailed Objectives Chapter 5
3. Objectives Overview
Explain how resolution Describe the uses of
Discuss how various
affects the quality of a voice recognition,
scanners and reading
picture captured on a Web cams, and video
devices work
digital camera conferencing
Discuss how POS Identify alternative
Summarize the various terminals, automated input devices for
biometric devices teller machines, and physically challenged
DVD kiosks work users
See Page 257 Discovering Computers 2011: Living in a Digital World 3
for Detailed Objectives Chapter 5
4. What Is Input?
• Input is any data and instructions entered into the
memory of a computer
Pages 258 – 259 Discovering Computers 2011: Living in a Digital World 4
Figure 5-1 Chapter 5
5. What Is Input?
• Instructions can be entered into the computer in the
form of programs, commands, and user responses
A program is a series of related
instructions that tells a computer what
tasks to perform and how to perform
them
Programs respond to commands that a
user issues
A user response is an instruction a user
issues by replying to a question
displayed by a program
Pages 258 - 259 Discovering Computers 2011: Living in a Digital World 5
Chapter 5
6. What Are Input Devices
An input device
is any hardware
component that
allows users to
enter data and
instructions into
a computer
Page 260 Discovering Computers 2011: Living in a Digital World 6
Chapter 5
7. The Keyboard
• A keyboard is an input device that contains keys
users press to enter data and instructions into a
computer
Page 260 Discovering Computers 2011: Living in a Digital World 7
Figure 5-2 Chapter 5
8. The Keyboard
• Most desktop computer keyboards have…
Pages 260 - 261 Discovering Computers 2011: Living in a Digital World 8
Chapter 5
9. The Keyboard
• The insertion point, also known as the cursor, is a
symbol on the screen that indicates where the
next character you type will appear
Page 261 Discovering Computers 2011: Living in a Digital World 9
Figure 5-3 Chapter 5
10. The Keyboard
Wired Wireless
Keyboards Keyboards
USB port Bluetooth
IrDA
Page 262 Discovering Computers 2011: Living in a Digital World 10
Chapter 5
11. The Keyboard
• An ergonomic keyboard has a design that reduces
the chance of wrist and hand injuries
• Ergonomics incorporates comfort, efficiency, and
safety into the design of the workplace
Click to view Web Link,
click Chapter 5, Click Web
Link from left navigation,
then click Ergonomics
below Chapter 5
Page 262 Discovering Computers 2011: Living in a Digital World 11
Figure 5-4 Chapter 5
12. The Keyboard
• Keyboards on mobile devices typically are smaller
and/or have fewer keys
• Some phones have predictive text input, which
saves time when entering text using the phone’s
keypad
Pages 262 – 263 Discovering Computers 2011: Living in a Digital World 12
Figure 5-5 Chapter 5
14. Mouse
• A mouse is a pointing device that fits under the
palm of your hand comfortably
– Most widely used pointing device on desktop
computers
• A mouse can be wired or wireless
Pages 263 – 264 Discovering Computers 2011: Living in a Digital World 14
Figures 5-6 and 5-7 Chapter 5
15. Mouse
• Mouse operations
Point Click Right-click Double-click
Rotate
Triple-click Drag Right-drag
wheel
Free-spin Press thumb
Press wheel Tilt wheel
wheel button
Page 264 Discovering Computers 2011: Living in a Digital World 15
Figure 5-8 Chapter 5
16. Other Pointing Devices
Trackball
Touchpad
Pointing Stick
• A trackball is a • A touchpad is • A pointing
stationary a small, flat, stick is a
pointing rectangular pressure-
device with a pointing sensitive
ball on its top device that is pointing
or side sensitive to device shaped
pressure and like a pencil
motion eraser that is
positioned
between keys
on a keyboard
Pages 265 – 266 Discovering Computers 2011: Living in a Digital World 16
Figures 5-9 – 5-11 Chapter 5
17. Touch Screens and Touch-Sensitive Pads
• A touch screen is a touch-sensitive display device
Click to view Web Link,
click Chapter 5, Click Web
Link from left navigation,
then click Multi-Touch Screens
below Chapter 5
Page 266 Discovering Computers 2011: Living in a Digital World 17
Figures 5-12 – 5-13 Chapter 5
18. Touch Screens and Touch-Sensitive Pads
Microsoft Surface Touch-sensitive pads
Page 267 Discovering Computers 2011: Living in a Digital World 18
Figures 5-14 – 5-15 Chapter 5
19. Pen Input
• With pen input, you touch a stylus or digital pen on a flat
surface to write, draw, or make selections
Click to view Web Link,
click Chapter 5, Click Web
Link from left navigation,
then click Signature Capture
Pads below Chapter 5
Page 268 Discovering Computers 2011: Living in a Digital World 19
Figure 5-16 Chapter 5
20. Other Input for Smart Phones
Page 269 Discovering Computers 2011: Living in a Digital World 20
Figures 5-17 – 5-18 Chapter 5
21. Game Controllers
• Video games and computer games use a game controller
as the input device that directs movements and actions
of on-screen objects
Joysticks and
Gamepads Light guns
Wheels
Motion-
Dance pads sensing
Click to view Web Link,
click Chapter 5, Click Web
Link from left navigation,
controllers
then click Game Controllers
below Chapter 5
Pages 270 - 271 Discovering Computers 2011: Living in a Digital World 21
Chapter 5
22. Game Controllers
Page 270 Discovering Computers 2011: Living in a Digital World 22
Figure 5-19 Chapter 5
23. Digital Cameras
• A digital camera is a mobile device that allows
users to take pictures and store them digitally
Studio cameras
Field cameras
Point-and-shoot camera
Page 272 Discovering Computers 2011: Living in a Digital World 23
Chapter 5
24. Digital Cameras
Page 272 Discovering Computers 2011: Living in a Digital World 24
Figure 5-20 Chapter 5
25. Digital Cameras
• Two factors affect the quality of digital camera photos:
• Resolution is the number of horizontal
and vertical pictures in a display device
Resolution • A pixel is the smallest element in an
electronic display
Number of bits • Each pixel consists of one or more bits of
data
stored in each • The more bits used to represent a pixel,
the more colors and shades of gray that
pixel can be represented
Page 273 Discovering Computers 2011: Living in a Digital World 25
Chapter 5
26. Voice Input
• Voice input is the
process of entering
input by speaking into a
microphone
• Voice recognition is the
computer’s capability of
distinguishing spoken
words
Page 274 Discovering Computers 2011: Living in a Digital World 26
Figure 5-22 Chapter 5
27. Voice Input
• Audio input is the process of entering any sound
into the computer
Speech
Music
Sound Effects
Page 274 Discovering Computers 2011: Living in a Digital World 27
Chapter 5
28. Voice Input
• Music production software allows users to record,
compose, mix, and edit music and sounds
Page 274 Discovering Computers 2011: Living in a Digital World 28
Figure 5-23 Chapter 5
29. Video Input
• Video input is the process of capturing full-motion images and
storing them on a computer’s storage medium
Record video on a digital video (DV) camera or use a
video capture card to convert analog signals to digital
Connect the camera to a port on the system unit
Transfer video and images
Page 275 Discovering Computers 2011: Living in a Digital World 29
Chapter 5
30. Video Input
Page 275 Discovering Computers 2011: Living in a Digital World 30
Figure 5-24 Chapter 5
31. Video Input
• A Web cam is a type of digital video camera that
enables a user to:
Send e-mail
Capture video and Add live images to
messages with
still images instant messages
video attachments
Broadcast live
Make video
images over the
telephone calls
Click to view Web Link, Internet
click Chapter 5, Click Web
Link from left navigation,
then click Web Cams
below Chapter 5
Pages 275 - 276 Discovering Computers 2011: Living in a Digital World 31
Chapter 5
32. Video Input
• A video conference is a meeting between two or
more geographically separated people
Pages 276 – 277 Discovering Computers 2011: Living in a Digital World 32
Figures 5-25 – 5-26 Chapter 5
33. Scanners and Reading Devices
Flatbed
Pen or Handheld
Sheet-fed
Drum
Page 277 Discovering Computers 2011: Living in a Digital World 33
Figure 5-27 Chapter 5
34. Scanners and Reading Devices
Page 278 Discovering Computers 2011: Living in a Digital World 34
Figure 5-28 Chapter 5
35. Scanners and Reading Devices
• Optical character recognition (OCR) involves reading
characters from ordinary documents
• A turnaround document is a document you return to the
company that creates and sends it
Page 279 Discovering Computers 2011: Living in a Digital World 35
Figures 5-29 – 5-30 Chapter 5
36. Scanners and Reading Devices
• Optical mark
recognition (OMR)
reads hand-drawn
marks such as small
circles or rectangles
• An OMR device scans
the documents and
matches the patterns of
light
Page 279 Discovering Computers 2011: Living in a Digital World 36
Figure 5-31 Chapter 5
37. Scanners and Reading Devices
• A bar code reader, also
called a bar code
scanner uses laser
beams to read bar
codes
Click to view Web Link,
click Chapter 5, Click Web
Link from left navigation,
then click Bar Code Readers
below Chapter 5
Page 280 Discovering Computers 2011: Living in a Digital World 37
Figure 5-32 Chapter 5
38. Scanners and Reading Devices
• RFID (radio frequency identification) uses radio signals to
communicate with a tag placed in or attached to an object
• An RFID reader reads information on the tag via radio waves
• RFID can track:
Tracking times of
Tracking location Employee Checking lift
runners in a Airline baggage
of soldiers wardrobes tickets of skiers
marathon
Gauging pressure
Managing Checking out Tracking toll
and temperature
inventory library books payments
of tires
Page 280 Discovering Computers 2011: Living in a Digital World 38
Chapter 5
39. Scanners and Reading Devices
• Magnetic stripe card readers read the magnetic
stripe on the back of cards such as:
Credit cards
Entertainment cards
Bank cards
Other similar cards
Page 281 Discovering Computers 2011: Living in a Digital World 39
Figure 5-34 Chapter 5
40. Scanners and Reading Devices
• MICR (magnetic ink character recognition) devices read text
printed with magnetized ink
• An MICR reader converts MICR characters into a form the
computer can process
• Banking industry uses MICR for check processing
Page 281 Discovering Computers 2011: Living in a Digital World 40
Figure 5-35 Chapter 5
41. Scanners and Reading Devices
• Data collection devices
obtain data directly at
the location where the
transaction or event
takes place
• Used in:
– Restaurants
– Grocery stores
– Factories
– Warehouses
– The outdoors
Page 282 Discovering Computers 2011: Living in a Digital World 41
Figure 5-36 Chapter 5
42. Biometric Input
• Biometrics authenticates a person’s identity by
verifying a personal characteristic
Face Hand
Fingerprint
recognition geometry
reader
system system
Voice Signature
Iris recognition
verification verification
system
system system
Retinal
scanners
Pages 282 - 283 Discovering Computers 2011: Living in a Digital World 42
Chapter 5
43. Biometric Input
hand
geometry
system
iris
recognition
system
fingerprint
Click to view Web Link,
reader
click Chapter 5, Click Web
Link from left navigation,
then click Biometric Input
below Chapter 5
Pages 282 – 283 Discovering Computers 2011: Living in a Digital World 43
Figures 5-37 – 5-39 Chapter 5
44. Terminals
• A terminal is a computer that allows users to send data to
and/or receive information from a host computer
A POS terminal An automated A DVD kiosk is a
records purchases, teller machine self-service DVD
processes (ATM) allows users rental machine
payment, and to access their
updates inventory bank accounts
Pages 284 – 285 Discovering Computers 2011: Living in a Digital World 44
Figures 5-40 – 5-42 Chapter 5
45. Putting It All Together
Page 285 Discovering Computers 2011: Living in a Digital World 45
Figure 5-43 Chapter 5
46. Putting It All Together
Page 285 Discovering Computers 2011: Living in a Digital World 46
Figure 5-43 Chapter 5
47. Putting It All Together
Page 285 Discovering Computers 2011: Living in a Digital World 47
Figure 5-43 Chapter 5
48. Input Devices for Physically Challenged Users
• Several input devices are available to assist
physically challenged users:
Keyboards
On-screen
Keyguard with larger
keyboard
keys
Various Head-
Gesture
pointing mounted
recognition
devices pointer
Computerized
Click to view Web Link,
click Chapter 5, Click Web
implant
Link from left navigation,
then click Gesture Recognition
devices
below Chapter 5
Page 286 Discovering Computers 2011: Living in a Digital World 48
Chapter 5
49. Input Devices for Physically Challenged Users
Keyboard with larger keys Head-mounted pointer
Page 286 Discovering Computers 2011: Living in a Digital World 49
Figures 5-44 – 5-45 Chapter 5
50. Summary
Various techniques of entering Several commonly used input
input devices
Keyboard, mouse, and other
pointing devices; touch screens,
pen input, other input for smart
Input devices for physically
phones, game controllers, digital
challenged users
cameras, voice input, video input,
scanners and reading devices,
biometric input, and terminals
Page 287 Discovering Computers 2011: Living in a Digital World 50
Chapter 5
51. Discovering
Computers 2011
Living in a Digital World
Chapter 5 Complete