Chapter 1 The Big Picture Chapter Goals Describe the layers of a computer system Describe the concept of abstraction and its relationship to computing. Chapter 01 Introduction Chapter 0 Introduction. Permission required for reproduction or display. They consist of devices,. Similar presentations.
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Invitation to Computer Science (6th Edition) - Bookdl
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Please wait. Copy to clipboard. Obead Alhadreti. The principle of locality states that when the computer uses something, it will probably use it again very soon. In a two-level memory hierarchy, when the computer needs a piece of information, it looks in RAM first, then cache memory. Registers can be accessed much more quickly than random access memory.
The instructions that can be decoded and executed by the control unit of a computer are represented in machine language. The Von Neumann bottleneck is the inability of the sequential one-instruction-at-a-time computer Von Neumann model to handle todays large-scale problems. ROM c.
MDR b. MISC c.
Invitation to Computer Science 6th Edition Schneider Test Bank
SISC b. SICC d. Draw an analogy between cache memory and a home refrigerator.
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What is the most fundamental characteristic of the Von Neumann architecture? Other than clock speed, what is an accurate measure of machine speed? What is cluster computing? When a computer needs a piece of information, does it immediately perform the memory fetch operation? If not, what does it do?
Explain what a register is and how it differs from random access memory cells. Explain at length what scalability means. Describe at length what quantum computing is.
The digital representation of audio information can produce massive and unwieldy data files, which can be reduced by using a compression algorithm such as FTP. The MP3 protocol allows one level of compression. By most accounts, the majority of MP3 music that Napster users shared was copyrighted, and most of the copyright holders objected to the copying of their music without royalty payments. Napster lost the case accusing it of copyright infringement but won subsequent appeals. Most ethicists agree that since there are many more music publishers than listeners, MP3 copying is okay.
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MP3 file copying has encouraged CD buying as a long term effect. All music artists are naturally opposed to MP3 copying. An ethical dialectic usually has a clean stopping point. Some people view hackers as social gadflies , people who raise important, but irritating, questions about society. MP3 d. Deontologists c. Utilitarians b.