Green and Purple Illustrative The Simple Past Tense Presentation (1).pdfNabilaMejia
airport, café, amusement park, movie theater, bakery, bank, book
store, bus station, butcher, school, library, hospital, post office, police station, fire
station, zoo, museum, market, mall, park, church, restaurant, train station,
stadium, factory, gas station, hote
Simple past. -What is the simple past? -Uses and forms. -Regular and Irregular verbs. -Affirmative, negative and interrogative sentences with simple past. -Exercises.
Presentation made by: Valeria Martinez (49) V-28315883 English 2A, IUPSM, Porlamar, Venezuela.
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# Internet Security: Safeguarding Your Digital World
In the contemporary digital age, the internet is a cornerstone of our daily lives. It connects us to vast amounts of information, provides platforms for communication, enables commerce, and offers endless entertainment. However, with these conveniences come significant security challenges. Internet security is essential to protect our digital identities, sensitive data, and overall online experience. This comprehensive guide explores the multifaceted world of internet security, providing insights into its importance, common threats, and effective strategies to safeguard your digital world.
## Understanding Internet Security
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### Key Components of Internet Security
1. **Confidentiality**: Ensuring that information is accessible only to those authorized to access it.
2. **Integrity**: Protecting information from being altered or tampered with by unauthorized parties.
3. **Availability**: Ensuring that authorized users have reliable access to information and resources when needed.
## Common Internet Security Threats
Cyber threats are numerous and constantly evolving. Understanding these threats is the first step in protecting against them. Some of the most common internet security threats include:
### Malware
Malware, or malicious software, is designed to harm, exploit, or otherwise compromise a device, network, or service. Common types of malware include:
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- **Ransomware**: Malware that encrypts a user's files and demands a ransom for the decryption key.
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### Phishing
Phishing is a social engineering attack that aims to steal sensitive information such as usernames, passwords, and credit card details. Attackers often masquerade as trusted entities in email or other communication channels, tricking victims into providing their information.
### Man-in-the-Middle (MitM) Attacks
MitM attacks occur when an attacker intercepts and potentially alters communication between two parties without their knowledge. This can lead to the unauthorized acquisition of sensitive information.
### Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks
APNIC Foundation, presented by Ellisha Heppner at the PNG DNS Forum 2024APNIC
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1.Wireless Communication System_Wireless communication is a broad term that i...JeyaPerumal1
Wireless communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
Wireless communication is a broad term that incorporates all procedures and forms of connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Features of Wireless Communication
The evolution of wireless technology has brought many advancements with its effective features.
The transmitted distance can be anywhere between a few meters (for example, a television's remote control) and thousands of kilometers (for example, radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
1. MEMBER:
Henry Josue Méndez Delgado
C.I:V-26.209.341
School of Civil Engineering
Intensive English I
Teacher:ASTRID UZCATEGUI
San Cristobal, March 2017
2. Conjugación Significado
I worked yo trabajé
you worked tú trabajaste
he worked él trabajó
we worked nosotros
trabajamos
you worked vosotros
trabajasteis
they worked ellos
trabajaron
Simple Past1.Conjugation of the
simple past
The structure of the past
simple in English is
2.Construction of
the past
As a general rule, to
form the past in
English is added "-
ed" to a verb.
work➜worked
Although considerations must
be taken into account:
3.Irregular verbs
For irregular verbs you have to
memorize your past form.
Here are a couple of examples
of irregular verbs:
Verbo Pasado Significado
to go went ir
to buy bought comprar
to have had tener
to be was/were ser o estar
I went to the University of Oxford
Fui a la universidad de Oxford
4.Past in verbs
ending in "-e"
To form the past, the
final "-e" is replaced
by "-ed"
Verbo Pasado
use used
die died
5.The denial in the simple past
The formation of "simple past"
negation is simpler than affirmation.
Its structure is:
[SUBJECT] + did + not + [VERB IN
INFINITIVE (without to)]
Here are a couple of examples:
I did not sing
yo no canté
he did not sing
él no cantó
6.The interrogation in the
simple past
To construct the interrogation
the auxiliary verb to do in past
(did) is used.
The structure is:
Did + [SUJETO] + [VERBO EN
INFINITIVO (sin to)] ?
Conjugación Significado
did I sing? ¿canté?
did you sing? ¿cantaste?
did he sing? ¿cantó?
did we sing? ¿cantamos?
did you sing? ¿cantasteis?
did they sing? ¿cantaron?
7.Using the simple past
The "past simple" is used to:
Actions that began in the
past and are now finished.
I ate an apple yesterday
Me comí una manzana ayer
8.Temporary Complements
Usually with the sentences in
"simple past" it is necessary to
detail when the action was
performed (explicitly or by
context).
For example:
I played a match last week
Jugué un partido la semana
pasada
We enumerate some other
temporary complements of
this verbal time by way of
example:
Complemen
to
Significado
yesterday ayer
two years
ago
hace dos
años
in 2008 en 2008
last year hace un año
on
01/01/2000
el
01/01/2000
in July en julio