Vocabulary
Match the word to its meaning:
Word: green-light
a) to stop something suddenly
b) to approve or authorize
c) to analyze data
b) to approve or authorize
Fill in the Blank
We have ___ time before the server maintenance begins.
a little
Match the sentence to its use:
“I’ll help you with the data.” → a) Prediction b) Offer c) Arrangement
b) Offer
Explain the word volume
The amount of data
Explain the term 'churn rate'
Percentage of customers who leave
Fill in the Blank
Without proper security, hackers can ___ private databases and steal information.
invade
Find and correct the mistake:
“She has a little friends in the IT department.”
She has a few friends…
Fill in the blank and explain your choice
“The conference ___ (start) at 9 AM tomorrow.”
starts
Fill in the Blank
“A ___ is a sudden increase in data activity.”
spike
Fill in the Blank
Netflix uses ___ to recommend shows you might like.
collaborative filtering
Which word does NOT imply speed or change?
Velocity, Sprout up, Skyrocket, Maintain
Maintain
Choose the best quantifier:
“___ professionals specialize in quantum encryption.” (not many)
a) A few b) Few c) Little
b) Few
Which sentence does NOT use future correctly?
a) We will launch the app next month.
b) We are going to launch the app next month.
c) We launch the app next month.
c) (Present Simple needs context like a schedule)
Which is NOT a characteristic of Big Data?
Velocity, Variety, Vulnerability, Veracity
Vulnerability
True or False: “Datatainment only refers to using data in video games.” Justify your answer.
False. Datatainment refers to using data to create engaging and interactive content in various forms (videos, articles, apps, etc.), not just games.
Complete the following paragraph by correctly inserting TWO idioms from the list below into the blanks. Use each idiom only once.
in the loop
on the fly
nuts and bolts
pull the plug
crash and burn
on the same wavelength
Paragraph:
“Our team was developing a new data visualization tool under a tight deadline. We often had to make decisions (1) __________, adjusting the code as we tested. When the lead developer suggested using a new framework, I wasn’t initially (2) __________, but after she explained the (3) __________ of how it would improve processing speed, I understood. We managed to stay (4) __________ throughout the project, and thankfully, it didn’t (5) __________ at launch.”
(1) on the fly
(2) on the same wavelength
(3) nuts and bolts
(4) in the loop
(5) crash and burn
Rewrite using “little” instead of “not much”:
“We don’t have much confidence in the old system.”
We have little confidence in the old system.
Identify and correct ALL future tense errors in the paragraph. Then explain each correction:
“Our team will present at the conference next Friday. The first session starts at 10 AM. I think we are going to finish our slides tonight. When we will finish, we’ll send them to you. Until we don’t receive your feedback, we won’t print the handouts.”
“When we will finish” → “When we finish” (no will in time clauses)
“Until we don’t receive” → “Until we receive” (double negative/logical error)
Will is removed after when; until requires affirmative verb in time clauses.
Explain what “data breach” means in your own words.
When unauthorized people access private data
Give 2 real-world examples of “data-driven” decision-making.
A company uses sales data to decide which product to stock more.
Create a short paragraph (4-5 sentences) about a data security crisis that correctly includes AT LEAST FIVE of the vocabulary words below:
Invade
Expose
High stakes
Unexpectedness
Overwhelming
Profiling
Scavenger
Third-party
When hackers invaded our system, they managed to expose sensitive customer data. The unexpectedness of the breach was overwhelming, especially since a third-party tool was involved. This high-stakes incident revealed weaknesses in our user profiling methods.
Complete the dialogue:
A: “Do we have ___ errors in the log?”
B: “Yes, ___, but ___ are critical.”
many, a few, few
Combine these three ideas into one grammatically correct sentence using appropriate future forms and a time clause:
We (analyze) the raw data.
Then we (present) our findings.
That (happen) after the system update (arrive) next Monday.
We will analyze the raw data and present our findings after the system update arrives/has arrived next Monday.
If a company has high-velocity data but low veracity, what risks does this pose? Give a specific example.
Making fast but wrong decisions
How are “user consent” and “data misuse” connected?
Data misuse often happens without proper user consent