Ativamos o chip e a linha telefônica.

Portuguese often drops subject pronouns because the verb ending already shows who is doing the action.

• ativamos tells you the subject is we
• So nós ativamos is possible, but nós is often unnecessary

Both are correct:

• Ativamos o chip e a linha telefônica.
• Nós ativamos o chip e a linha telefônica.

Adding nós can give extra emphasis or clarity, but it is not required.

It can mean either one, depending on context.

For -ar verbs, the first person plural form is the same in:

• the present: we activate
• the preterite: we activated

So ativamos can mean:

• we activate
• we activated

Usually the surrounding context makes it clear. For example:

• Hoje ativamos o chip. = more likely Today we are activating / activate the SIM card
• Ontem ativamos o chip. = clearly Yesterday we activated the SIM card

In everyday use, many times this sentence will be understood as a completed action if it appears in a customer-service context.

It comes from the verb ativar, which means to activate.

Here is the basic breakdown:

• infinitive: ativar
• stem: ativ-
• ending for nós: -amos

So:

• eu ativo
• você/ele/ela ativa
• nós ativamos
• vocês/eles/elas ativam

These are definite articles, like the in English.

• o = masculine singular the
• a = feminine singular the

So:

• o chip
• a linha telefônica

Portuguese nouns have grammatical gender, and the article must match the noun.

Because chip is treated as a masculine noun in Brazilian Portuguese, while linha is feminine.

• chip → masculine → o chip
• linha → feminine → a linha

The adjective must also match the noun:

• linha telefônica
• not linha telefônico

So telefônica is feminine singular because it describes linha.

Yes—at least in everyday Brazilian Portuguese, chip is very common.

In Brazil, chip usually means the SIM card for a phone. It is a borrowed word from English, but it is fully natural in conversation.

For example:

• comprei um chip novo
• meu chip não funciona
• ativamos o chip

So even though it comes from English, learners should treat it as normal Brazilian Portuguese vocabulary.

They are related, but not exactly the same thing.

• chip = the physical SIM card
• linha telefônica = the phone line/service/number connected to the account

So in a telecom context, activating both can mean:

• the SIM card is enabled
• the phone number/service is also activated

That is why both are mentioned separately.

In Portuguese, adjectives often come after the noun.

So:

• linha telefônica = literally line telephone-related

This is very normal word order in Portuguese.

English usually prefers adjective + noun:

• telephone line / phone line

Portuguese often uses:

• noun + adjective

That is why telefônica comes after linha.

E means and.

It joins the two direct objects:

• o chip
• a linha telefônica

So the sentence is structured like:

• Ativamos
  • o chip
    • e
      • a linha telefônica

They are the direct objects of the verb ativamos.

The verb ativar is transitive here, meaning it acts on something.

So:

• Who activated? we
• Activated what? the chip and the phone line

That makes o chip e a linha telefônica the thing receiving the action.

Yes, that is grammatically correct.

Both of these are fine:

• Ativamos o chip e a linha telefônica.
• Ativamos a linha telefônica e o chip.

The difference is mostly about emphasis or what sounds more natural in the situation. The original order may reflect the speaker’s focus, but both versions are valid.

The written accent shows which syllable is stressed.

telefônica is pronounced with stress on FÔ:

• te-le-FÔ-ni-ca

The accent mark in ô helps show the correct stress and vowel quality.

Without the accent, a learner might guess the stress incorrectly. Portuguese spelling often uses accents to guide pronunciation.

A rough pronunciation guide for English speakers is:

ah-chee-VAH-moos oo SHEE-pee ee ah LEEN-yah te-leh-FON-ee-kah

A few notes:

• Ativamos: the ti often sounds close to chee in many Brazilian accents
• chip in Brazil is often pronounced close to sheep/cheep, depending on accent
• linha has the lh sound, which is like the lli in million, but not exactly the same
• telefônica has the stress on fô

Pronunciation varies by region, but that is a useful approximation.

They could definitely use shorter alternatives, depending on context.

For example, in telecom or customer-service situations, people might also say:

• a linha
• o número
• o chip
• o celular (depending on what they mean)

But linha telefônica is clear and specific. It makes it obvious that the sentence is talking about the phone line/service, not just any kind of line.