Computer Types: 22 flashcards
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1. What are the three main categories for classifying computers?
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By **type**, by **size**, and by **purpose**.
2. What are the three types of computers under 'By type'?
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**Analog**, **Digital**, and **Hybrid** computers.
3. What are the three size-based classifications of computers?
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**Super**, **Mainframe**, and **Mini/Micro** computers.
4. What are the two purpose-based classifications of computers?
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**General Purpose** and **Special Purpose** computers.
5. What kind of data does an analog computer process?
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**Analog data** in the form of physical phenomena such as electrical, hydraulic (water flow), or mechanical processes.
6. How do analog computers operate?
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They operate by **measuring** rather than by **counting**.
7. What is the nature of input and output in an analog computer?
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It accepts input that **varies continuously** and gives output that performs a desired operation.
8. Where are analog computers commonly used?
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In **process control plants**.
9. What is a digital computer?
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A computer that performs **calculation and logical operations with digits**.
10. What number system do digital computers use?
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**Binary code** — using only **0** and **1**.
11. What happens to data in a digital computer before operations are performed?
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Data is **converted into digits** and then all operations are done in binary code.
12. What are the primary uses of digital computers?
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**Business** and **scientific** uses.
13. What is a hybrid computer?
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A computer that utilizes the **best qualities of both analog and digital** computers.
14. When is a hybrid computer best used?
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In situations where the **display is required in analog format** and the **data collected is in analog format**.
15. Give two examples of hybrid computers.
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**ICU machines** and **traffic signal design** systems.
16. Which type of computer measures rather than counts?
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**Analog** computers.
17. Which type of computer is described as the best and fastest way for calculations?
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**Digital** computers.
18. Which computer type combines analog and digital capabilities?
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**Hybrid** computers.
19. What is the key difference between analog and digital computers in terms of data handling?
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**Analog** computers process **continuous** physical phenomena by measuring; **digital** computers convert data into **discrete binary digits** (0 and 1) and count/calculate.
20. A computer used in a process control plant that accepts continuously varying input is most likely which type?
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An **analog** computer.
21. A computer used for business and scientific calculations using binary code is which type?
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A **digital** computer.
22. An ICU machine that collects analog data and displays it in analog format is an example of which computer type?
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A **hybrid** computer.
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