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Questions and Answers
What is the primary focus of computer science?
Which of the following best describes ubiquitous computing?
What does the Internet of Things (IoT) refer to?
Why is understanding computers emphasized?
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Which of the following statements about computers is correct?
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What is the primary function of a computer?
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Which type of computer is best suited for individual use?
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What distinguishes modern computers from older ones?
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Which of the following is considered a disadvantage of computers?
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What type of computer is optimized for tasks requiring high computational power, such as scientific calculations?
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Study Notes
Introduction to Computer Science
- Computer science is the scientific foundation for computer design and information processing.
- It focuses on what can be accomplished with computers and how to build software for those tasks.
- Computers are broadly impactful and disruptive, influencing how we live, think, and work.
- They have a major influence on many areas of study.
- Pervasive Computing (ubiquitous computing) embeds computational capability into everyday objects for communication and tasks.
- Internet of Things (IoT) connects devices with unique identifiers to transfer data through networks without human interaction.
The Computer Defined
- A computer is a programmable electronic machine that accepts input (data), processes it, and gives out results (information).
- It allows users to store and process data, such as performing calculations or organizing information.
- Modern computers are digital, using two digits to represent data.
- Older computers were analog, using a range of values to represent data.
Types of Computers
- Computers are used by individuals, organizations, and in society.
- Individuals: desktop, laptop, tablet, smartphones, wearable computers.
- Organizations: network servers, workstations, supercomputers, and mainframes.
- Society: education, finance, government, healthcare, science, publishing, travel, and industry.
Advantages of Computers
- Automatic
- Fast
- Reliable
- Diligent
- Consistent
- Versatile
- Can store vast amounts of data
- Enables communication
- Lack of emotions
Disadvantages of Computers
- Lack of intelligence
- Potential for privacy violations
- Impact on the workforce
- Health risks (e.g., eye strain, repetitive strain injuries)
- Environmental impact (e.g., manufacturing, disposal)
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Description
This quiz explores the foundational concepts of computer science, including computer design, information processing, and software development. It covers the impact of pervasive computing and the Internet of Things on modern technology and society. Test your knowledge on what defines a computer and its functionalities.
