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B.Tech IT Computer Science — practice by topic

Browse 30 questions across 3 Computer Science topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Computer Science topics

Computer Science (30)Data Analytics (30)Data Science Basics (30)

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A team collects, manages and analyses data to pull out useful information. That field is:Read the answer and worked solution →Early on, data science work was spread across statistics, maths, social science and:Read the answer and worked solution →An intern gathers readings on variables of interest in an orderly way. That step is data:Read the answer and worked solution →A survey records heights in centimetres. Data measured and written as numbers is:Read the answer and worked solution →

Worked practice questions

A team collects, manages and analyses data to pull out useful information. That field is:

  1. Data science
  2. Deep diving
  3. Desk sorting
  4. Disc mapping
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Correct answer: A. Data science

1. The work covers gathering, storing and studying data. 2. The aim is meaningful information at the end. 3. That field is data science. _Source: OpenStax Principles of Data Science, Chapter 1, What Is Data Science?_

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Early on, data science work was spread across statistics, maths, social science and:

  1. Camera repair
  2. Computer science
  3. Country studies
  4. Costume design
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Correct answer: B. Computer science

1. The work needed coding and computing power. 2. That discipline joined the other three. 3. It was computer science. _Source: OpenStax Principles of Data Science, Chapter 1, What Is Data Science?_

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An intern gathers readings on variables of interest in an orderly way. That step is data:

  1. Collection
  2. Correction
  3. Contraction
  4. Consumption
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Correct answer: A. Collection

1. Nothing can be analysed before it is gathered. 2. Gathering values on chosen variables comes first. 3. That step is data collection. _Source: OpenStax Principles of Data Science, Chapter 1, What Is Data Science?_

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How to practise

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