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Agriculture informatics > Lecture 2 > Flashcards

Lecture 2 Flashcards

1
Q

What is a personal computer?

A

A small, single-user computer based on a microprocessor with a keyboard, monitor, and storage device.

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2
Q

What is a workstation?

A

A powerful, single-user computer with a more powerful microprocessor and a higher-quality monitor than a personal computer.

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3
Q

What is a minicomputer?

A

A multi-user computer capable of supporting 10 to hundreds of users simultaneously.

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4
Q

What is a mainframe?

A

A powerful multi-user computer that can support hundreds or thousands of users simultaneously.

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5
Q

What is a supercomputer?

A

An extremely fast computer that can perform hundreds of millions of instructions per second.

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6
Q

What is a laptop?

A

A battery or AC-powered portable personal computer designed to have the functionality of a desktop computer.

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7
Q

What is a netbook?

A

A portable, less powerful type of laptop designed for tasks like email and internet access.

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8
Q

What is a mobile device?

A

A handheld computer designed for extreme portability, often fitting in the palm of your hand or pocket.

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9
Q

What is a tablet computer?

A

A portable device with a touch-sensitive screen, optimized for media consumption like web browsing, videos, and e-books.

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10
Q

What is a smartphone?

A

A small, portable device that functions like a tablet computer and supports applications, web browsing, and phone services.

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11
Q

What is data?

A

Unstructured facts and figures that lack context.

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12
Q

What is information?

A

Processed data that provides context and relevance, answering questions like ‘who,’ ‘what,’ ‘where,’ and ‘when.’

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13
Q

What is knowledge?

A

The application of data and information that provides understanding and answers ‘how’ questions.

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14
Q

What is wisdom?

A

Evaluated understanding derived from knowledge.

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15
Q

What are the four classifications of the human mind’s content?

A
  1. Data: Symbols. 2. Information: Processed data. 3. Knowledge: Application of data and information. 4. Wisdom: Evaluated understanding.
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16
Q

What does processing data produce?

A

Processing data produces information.

17
Q

What does processing information produce?

A

Processing information produces knowledge.

18
Q

What is speed in the context of computer characteristics?

A

The ability of a computer to process millions of instructions per second.

19
Q

What is accuracy in the context of computer characteristics?

A

The ability of a computer to perform precise calculations and provide exact results.

20
Q

What is diligence in the context of computer characteristics?

A

The capability of a computer to perform tasks consistently without fatigue over time.

21
Q

What is storage capability in the context of computer characteristics?

A

The ability to store and retrieve large volumes of data in primary and secondary memory.

22
Q

What is versatility in the context of computer characteristics?

A

The ability of a computer to perform varied tasks, such as document creation, playing music, or printing.

23
Q

What is a computer virus?

A

A small software piece that attaches to programs to replicate or cause harm.

24
Q

What is an e-mail virus?

A

A virus that spreads via email attachments and replicates by sending itself to contacts automatically.

25
Q

What is a Trojan horse?

A

A program that disguises itself as useful but causes harm, such as erasing data, without replicating automatically.

26
Q

What is a worm?

A

A piece of software that exploits network vulnerabilities to replicate across systems.

27
Q

What are some tips to avoid computer viruses?

A
  1. Install and update antivirus software regularly. 2. Use an on-access scanner. 3. Scan new programs and files. 4. Avoid suspicious links and downloads. 5. Back up important data regularly.
28
Q

What is an operating system?

A

A control program that provides an interface between computer hardware and users, managing activities and resources.

29
Q

Why is the operating system important?

A

It is the most important program on a computer and manages activities and resources.

30
Q

What does an operating system do?

A

Acts as an interface between the user and the computer while coordinating and managing activities and resources.

Agriculture informatics (8 decks)

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