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Exercícios para primeira aula

Termos comuns da informática e seus significados

Pesquise as palavras abaixo e indique a sua tradução e o seu significado na informática. Primeiramente sem consulta; anote a quantidade de palavras que você sabe o significado. Após, utilize dicionários online ou impressos para descobrir o significado das que faltaram.

Após localizar os significados, escolha 10 termos e pesquise uma frase (em inglês) em que o termo é utilizado no contexto da informática.










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Teste de conhecimentos prévios

  1. O plural dos substantivos terminados em “S, SS, Sh, Ch, X, O e Z”, são acrescidos de:

( ) IES ( )ES

( )E ( ) ESS

  1. Os pronomes pessoais da 3ª pessoa do singular são:

( ) hes,she e it ( ) he, it e you

( ) he,she e we ( ) she, he, it e you

  1. O Simple Present equivale ao-----------------da Língua Portuguesa.

( ) infinitivo ( ) presente do indicativo

( ) particípio ( ) passado

  1. Quais são os verbos auxiliares usados no Simple Present nas formas negativa e interrogativa.

( ) is/are ( ) did

( )do/does ( ) nenhuma alternativa

  1. Conforme a regra geral todos os verbos regulares preservam sua raiz e são acrescidos----------no Simple Past.

( )ed ( ) id

( ) edi ( ) nenhuma alternativa

  1. O verbo to be no tempo presente tem três formas, quais são elas:

( ) he, she e it ( ) was e were

( ) am, is, are ( ) nenhuma alternative

  1. Quais são as formas verbais:

( ) interrogativa ( ) negativa e afirmativa

( )afirmativa, negativa e interrogativa ( ) negativa

  1. Quais as peculiaridades do Simple Past:

( ) verbos negativos e afirmativos

( ) verbos modais

( ) verbos regulares e irregulares

( ) verbos neutros

  1. Os verbos-----------no inglês são todos aqueles verbos que não seguem a regra geral da formação do passado:

( ) regulares ( ) parônimos

( ) irregulares ( ) nenhuma alternativa

  1. A palavra “relatives” significa:

( ) pais ( ) relação

( )parentes ( ) família

  1. A palavra “push” significa:

( ) puxar ( ) empurrar

( ) fechar ( ) derreter

  1. O plural de man é:

( ) mans ( ) mens

( ) men ( )mins

  1. O plural de leaf é:

( ) leafs ( ) leafes

( ) leaves ( ) leaft

  1. O pronome interrogativo “what” significa:

( ) como ( ) quando

( ) qual, o que ( )quem

Interpretação de texto

What is an Operating System?

An Operating System is an application that controls a computer. This is not the same as the applications that you create - those are usually only run when you want them. An OS runs almost as soon as the computer is turned on.

Windows is an Operating System, as is Linux and the Apple Mac OS X.

Switching On

When a computer is powered up, the CPU starts running immediately. But what does it run? On most PCs, whether Linux, Windows or Mac, there is a boot program stored permanently in the ROM of the PC.

Booting Up

Each PC motherboard manufacturer writes a boot program for their motherboard.

This boot program is not an Operating System (OS), it is there to load the OS. Its first job is the Power On Start-Up Test (aka POST). This is a system test, first checking the memory and flagging any errors. It will stop the system if something is wrong. Next it resets and initializes any devices plugged into the PC. This should result in the OS being loaded from whichever device has been configured as the boot device, be it Flash RAM, CD-Rom or hard disk. Having successfully loaded the OS, the boot program hands over control and the OS takes charge.

Managing The PC

The job of an OS is to manage all the resources in a computer. When user input is received from mouse and keyboard it has to be handled in a timely fashion. When you create or copy a file, the OS takes care of it all behind the scenes. It may store a file in a hundred different places on disk but it keeps you well away from that level of detail. You'll just see one file entry in a directory listing.

An OS is just a very complex collection of applications and nowadays takes hundreds or thousands of man hours to develop. We've come along way since Dos 6.22 which fitted on a 720 Kb floppy and Vista promises to be very large- 9 or 10 Gigabytes.

Protection and Security

Modern CPUs have all sorts of tricks built into their hardware - for example CPUs only permit trusted programs to run with access to all of the hardware facilities. This provides extra safety.

In Ring 0 protection on Intel/AMD CPUs, the code at the heart of the OS, usually called the Kernel code, is protected against corruption or overwriting by non Kernel applications - the kind you and I write. Nowadays it is rare for a user written program to crash a computer. The CPU will stop any attempt to overwrite Kernel Code.

Also, the CPU has several privileged instructions that can only be run by Kernel Code. This enhances the robustness of the OS and reduces the number of fatal crashes, such as the infamous Windows Blue Screen of death.

The language C was developed to write Operating Systems code and it is still popular in this role mainly for Linux and Unix systems. The Kernel part of Linux is written in C.

The operating system is arguably the most important piece of software on your PC.

  1. Com o texto acima anote os termos técnicos de informática que você reconheceu bem como seus significados

  2. Discuta com o grupo sobre o que o texto se refere, elaborando um resumo do mesmo.

  3. Responda as perguntas de interpretação do texto.

    1. Segundo o texto, o que é o boot program?

    2. Segundo o texto, o que seria o papel do OS?

    3. Cite as peças/dispositivos que foram citados no texto.

Verb to be

Exercício 1: What is it?

  1. It is a portable document format. It is a system for storing and moving documents between computers that only allows the contents to be viewed or printed, or a document created using this system.

It is a pdf file.

It is a doc file.

It is xls file.

  1. It is the abbreviation for central processing unit. It is the part of a computer that controls all the other parts.

It is a computer.

It is an Iphone.

It is an CPU.

Exercício 2: Complete as sentenças com a forma apropriada do to be. Com a ajuda de um dicionário, coloque a tradução.

  1. She …. a good student.

  2. He … sad.

  3. We … happy.

  4. It … a difficult test.

  5. We … friends.

  6. A computer … a machine that is able to take information.

  7. Examples of early computers … the astrolabe and the abacus.

  8. Hardware … the physical part the computer (for example keyboard, mouse, screen, tower).

  9. Softwares … the computer programs (mathematical instructions).

  10. Programming languages … used to make all computer programs.

Exercício 3: Agora, você lerá um pequeno texto em Inglês. Primeiramente, tente encontrar palavras que sejam conhecidas, sendo de grafia parecida com uma palavra em Português ou se você já a conhece em Inglês. Tente pegar o sentido global do texto e responda as perguntas a seguir. Leia o texto abaixo e complete os espaços com a forma apropriada do verbo to be. Após, responda as questões propostas.


Assembly language (1) ____ a programming language that talks fairly directly to the computer. Unlike machine language, which (2) ____ what the computer understands, assembly language (3) ___ mnemonic, so that it can be understood and remembered more easily by a human being; in fact, assembly language (4)___ really just machine language in mnemonic form.

Assembly languages (5) ___ specific to a given CPU chip and (6)____ named after it (e.g., 8080 assembly language, 6809 assembly language etc.). They (7) ___ harder to program than a high-level language, but they produce programs that (8)___ more efficient and run faster.

(Texto adaptado de http://www.inglescurso.net.br/ingles-tecnico/187-ingles-para-informatica/1485-texto-para-traduzir-assembly-languages. Acesso em 13 de dezembro de 2012)


Fairly = quase

Unlike = ao contrário de, diferente de

Just = apenas, justamente

CPU = Central Processing Unit = Unidade Central de Processamento

Are named = recebem o nome

After it = de acordo com ele (chip)

Harder = mais trabalhosas

Run faster = rodam mais rápido

  1. De acordo com o texto, que é Assembly language?

  2. Qual a diferença entre a linguagem de máquina e a linguagem Assembly?

  3. A linguagem Assembly é mais fácil ou difícil de ser programada?

Exercício 4: Leia o texto e responda as questões que seguem.

A computer is used first as a number processor. Second, it is used as a data processor, to handle, process, and print quantities of data. Third, it is used as an information analyser, to aid and improve decision-making. And finally, it is used as knowledge processor, to make available to the public vast banks of information.
Data processor: processor de dados

To handle: operar

To process: processar

Improve: melhorar

Knowledge: conhecimento

To make: fazer

  1. Qual é a ideia principal do texto?

  2. A partir da leitura do texto, o que quer dizer “first”, “second” and “third”?

  3. No texto, são dadas as três principais funções de um computador. Usando as suas próprias palavras, resuma estas funções.

Simple present

Exercício 1. Escreva os seguintes verbos na terceira pessoa do singular:

a. To Study

i. To access

b. To watch

j. To listen

c. To have

k. To teach

d. To play

l. To love

e. To run

m. To kiss

f. To work

n. To buy

g. To use

o. To push

h. To go

p. To finish

Exercício 2. Transcreva todos os verbos na terceira pessoa do singular que você encontrar no texto que segue.

Apple responds to fierce criticism of its maps, saying the application will "improve".

The mapping software is angered users who say that it has inaccuracies, misplaced towns and cities and omits key landmarks.

According to the company, “Apple appreciates all the customer feedback it is receiving about the app and works hard to improve it”. The problem emerges with the global launch of its iPhone 5. Hundreds of people want to ensure they are among the first to buy one of the new smartphones. At Apple store on London's Regent Street almost 1300 people are in line for one of the phones. The mapping system comes with updates to Apple's phone operating system and is bundled in with the iPhone 5.

(Texto adaptado de http://www.bbc.com/news/technology-19672981)

Exercício 3. Transforme as sentenças, conforme o exemplo.

Apple responds to fierce criticism of its maps.

Interrogative: Does Apple respond to fierce criticism of its maps?

a. It has inaccuracies.

Negative: ________________________________________________

b. Apple appreciates all the customer feedback.

Interrogative: ________________________________________________

c. Apple works hard to improve it.

Negative: ________________________________________________

d. The problem emerges with the global launch of its iPhone 5.

Negative: ________________________________________________

e. The mapping system comes with updates.

Interrogative: ________________________________________________

Exercício 4: Complete as sentenças usando os verbos entre parênteses.

Some web sites use encrypted information because of security. (use)
a. My web site _____________ encrypted information. (not need)

b. ___________ you ___________ in a good IT course? (study)

c. ___________ it ____________ using different Web programming languages? (write)

d. I ____________ how to edit Java and JavaScript. (not know)

e. I _________________ help with my web page. I _______________ the graphics. (need), (not understand)

f. ____________ she _____________ a hosting provider? (need)

Simple Past

Exercício 1 - As seguintes orações estão escritas no presente simples. Passe-as para o passado simples e então para a forma interrogativa.


Computers store a lot of information.

Computers STORED a lot of information.

DID computers store a lot of information?

1. New generation of computers make our life better.

2. It sends a lot of messages.

3. The Java platform provides an enormous set of packages suitable for use in your own applications.

4. Media Center is best experienced using a compatible Media Center remote control.

5. The Java Platform API Specification contains the complete listing for all packages.

Exercício 2 - Passe as seguintes orações para o forma negativa passada.


A computer case (also known as a computer chassis, cabinet, box, tower, enclosure, housing, system unit or simply case) contains most of the components of a computer.

A computer case (also known as a computer chassis, cabinet, box, tower, enclosure, housing, system unit or simply case) did not contain (ou didn't contain) most of the components of a computer.
1. CPU was a common term in the earlier days of home computers.

2. The motherboard connects the other parts of the computer including the CPU, the RAM and the disk drives.

3. The CPU (Central Processing Unit) performs most of the calculations which enable a computer to function.

4. Alan Turing proposed the first theory about software in his essay Computable numbers with an application to the decision problem in 1935.

Exercício 3 - Você lerá um texto sobre a história da internet. Neste texto, você encontrará alguns espaços em branco, onde você deverá completar com o passado simples dos verbos que aparecem entre parênteses. Lembre-se que alguns verbos não seguem a regra geral de adicionar -ed!

The history of the internet

The history of the Internet (1) _______________ (begin) with the development of electronic computers in the 1950s. It (2) _______________ (start) with point-to-point communication between mainframe computers and terminals, (3) _______________ (expand) to point-to-point connections between computers and then early research into packet switching. Packet (4) _______________ (switch) networks such as ARPANETMark I at NPL in the UKCYCLADES, Merit NetworkTymnet, and Telenet (5) _______________ (be) developed in the late 1960s and early 1970s using a variety of protocols. The ARPANET in particular (6) _______________ (led) to the development of protocols for internetworking, where multiple separate networks could be joined together into a network of networks.

In 1982 the Internet Protocol Suite (TCP/IP) (7) _______________ (be) standardized and the concept of a world-wide network of fully interconnected TCP/IP networks (8) _______________ (call) the Internet was introduced. Access to the ARPANET was expanded in 1981 when the National Science Foundation (NSF) (9) _______________ (develop) the Computer Science Network (CSNET) and again in 1986 when NSFNET (10)_______________ (provide) access to supercomputer sites in the United States from research and education organizations. Commercial internet service providers (ISPs) (11) _______________ (begin) to emerge in the late 1980s and 1990s. The ARPANET (12) _______________ (be) decommissioned in 1990. The Internet (13) _______________ (be) commercialized in 1995 when NSFNET was decommissioned, removing the last restrictions on the use of the Internet to carry commercial traffic.

Since the mid-1990s the Internet (14) _______________ (has) a drastic impact on culture and commerce, including the rise of near-instant communication by electronic mail, instant messaging, Voice over Internet Protocol (VoIP) "phone calls", two-way interactive video calls, and the World Wide Web with its discussion forums, blogs, social networking, and online shopping sites. The research and education community continues to develop and use advanced networks such as NSF's very high speed Backbone Network Service (vBNS), Internet2, and National LambdaRail. Increasing amounts of data are transmitted at higher and higher speeds over fiber optic networks operating at 1-Gbit/s, 10-Gbit/s, or more. The Internet continues to grow, driven by ever greater amounts of online information and knowledge, commerce, entertainment and social networking


Exercício 1 - Passe as seguintes palavras/termos para o plural.

  1. Ability

  2. Battery

  3. Access

  4. Account

  5. File

  6. Answer

  7. Processor

  8. Channel

  9. Bar code

  10. Binary tree

  11. Block format

  12. Library

Exercício 2 - Complete com there is (ou there's), there are (ou there're), is there ou are there.

a. ________________ a virus in this computer?

b. ________________ a computer software that we need to use in this computer.

c. A: ________________ a computer program that I can use to upload my favourite songs?

B: Yes, ________________.

d.  Most countries place some limits on the patenting of invention involving software, but ________________ legal definition of a software patent.

e. Most costumers are complaining because ________________ LiveUpdate 3.3 in Programs and Features.

f. ________________ many approaches to the Software development process.

g. ________________ a few solutions to use in this program.

h. ________________ a difference between software and hardware?


Exercício 1 - Complete a tabela abaixo com a forma comparativa de cada adjetivo e, na terceira coluna, coloque o seu significado. Nesta atividade, você pode usar o dicionário como suporte.


Comparative form

Meaning (significado)
























Exercício 2 - Complete as frases usando as formas comparativas.

1. This scanner is definitely ______________ than mine. (good)

2. The Sommy is a good computer, but Rony is _____________ to use. (easy)

3. In Brazil, this computer is _______________ than an Apple. (popular)

4. I have a new printer, but it is _________________ to carry than my old one. (heavy)

5. This home page is ____________________ to upload than the other one. (difficult)

6. My computer monitor is _____________ laptop! (big)

Exercício 3 - Leia atentamente o texto abaixo. Neste exercício, você deverá completar os espaços com as formas comparativas apropriadas. Após, procure as formas cognatas, algo que seja familiar ao seu vocabulário. Tente responder às questões propostas.

Does bigger computer monitors mean more productivity?

Working late? Blame your computer screen. A new study finds that (1) _______________ (big) monitors make people (2) _______________ (productive). Researchers at the University of Utah tested if people are (3) __________ (fast) or (4) ____________ (slow) when they are performing tasks like editing a document and copying numbers between while using different computer configurations: one with an 18-inch monitor, one with a 24-inch monitor and with two 20-inch monitors. Their finding: people using (5) ____________ (large) screen monitors completed the tasks 52% (6) ______________ (fast) than people who used the 18-inch monitor. People who used the two 20-inch monitors were 44% (7) _____________ (fast) than those with the 18-inch ones. There is an upper limit, however: productivity dropped off again when people used a 26-inch screen.

(texto adaptado de http://www.huffingtonpost.com/2008/03/10/bigger-computer-monitors-_n_90701.html, acesso dia 30/11/2012)


Researchers: pesquisadores

inch: polegada

however: no entanto

dropped off: diminuir

1. Após a leitura do texto, o que você acha que significa o título “Does bigger computer monitors mean more productivity?” Esta pergunta é respondida ao longo do mesmo? Justifique.

2. O estudo foi realizado por qual Universidade?

3. Usando as suas próprias palavras, explique qual foi o resultado do estudo.

Exercício 4 - Você lerá dois textos sobre linguagem de programação. Complete os espaços com as formas comparativas e responda às questões abaixo.


Lua is a popular programming language. It’s (1) ____________ (fast), (2) __________ (light) and (3) _________ (easy) to be embedded than the others. It has a syntax that is (4) _____________ (easy) and can be implemented into anything. It’s a popular, fast, easy to use and implement programming language. But don’t underestimate it. It can be used for complicated programs too, including games.

Visual Basic

This is a programming language used with Microsoft Visual Studio, which (5) ______________ (popular) among beginners. Visual Studio is used to create professional programs easily and with a widely used framework. It also comes with a (6) _________________ (wide) range of tools to create prototypes of applications (7) ______________ (fast) than the others. It can be easily used to make GUIs too and gives satisfactory results to newbies.

(Texto adaptado de http://faduworld.wordpress.com/2012/02/07/4-easiest-programming-languages-to-start-learning-coding/, acesso dia 21/11/2012)

Exercício 5

1. De acordo com o texto, quais são as características da linguagem de programação Lua?

2. Para quais tipos de programas a Lua é utilizada?

3. Entre quais tipos de usuários a linguagem Visual Basic é usada?

4. Quais são as principais características da Visual Basic?


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