both sample1 and sample2. There is a stderr message due to sample3 not existing / being found. 4) You do receive an error as it is trying to find sample3 which does not exist. 5) The contents of the file listed are sample1 and sample2….again sample3 does not exist. 6) There are the sample1 and sample2 results from the ls. Sample3 is not listed. 8) There is not stdout message or error message as a result of this. Nothing was changed from the previous data. 9) The contents of the file are both sample1
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Aspects of computer literacy This section is in a list format that may be better presented using prose. You can help by converting this section to prose‚ if appropriate. Editing help is available. (January 2011) Aspects of computer literacy include: what is a computer what are its limitations what is a program (not necessarily how to program) what is an algorithm what is computable what a computer cannot do why computers cannot produce random numbers some seemingly simple problems are
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Computer Architecture 1. Describe Von Neumann architecture and explain why it is important. The Von Neumann architecture explains the architecture of an electronic computer. It is attributed to be root of every electronic computer that has ever been made. According to Von Neumann architecture an electronic computer has Control Unit‚ Arithmetic Logic Unit‚ Memory & Input / Output Devices. The following diagram shows this architecture:- Memory: - Memory holds both
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’s world nothing can be done without a computer‚ but upon a closer look‚ you will find that it is the hardware components and input and output devices that make a computer useful. What is it that determines the speed at which a computer can find a file? How do you get a report from your PC to the members of your next Board meeting? It is the hardware that is used with your computer that allows you to accomplish all of your business needs using your computer. Data input is the collection of raw
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The Place of Computer in Today’s World Introduction: Today‚ we are living in a computer age. The awareness of computer is more than at any other time. It has dominated almost all the fields. There is hardly an industry‚ which does not use computers. It is not anymore thought of as a mere calculating machine. Computers are used in banks‚ factories‚ in Government offices‚ education institutions‚ for research and development and even supermarkets. The Computer plays a very vital role in the following
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Study Notes Computer Awareness Quick Revision Notes The earlier computers‚ which were massive in size‚ were based on vacuum tubes. 2. Early computing machines‚ like the ENIAC‚ were actually meant to assist the armed forces. 3. The printers in pre-1950s were punch cards. 4. An improvement on the ENIAC‚ which pioneered ’stored program’‚ was made possible with the help of the mathematician John von Neumann. 5. Before the 1950s‚ computers were mostly owned by universities and research labs
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Debate – This house believes that computers should replace teachers. (proposition) Good morning everybody. I am the first speaker of proposition party. We believe that computers should replace teachers. I am going to introduce to you the advantages of teachers over computers. Everyone has their own learning speeds. People have different ways of learning; some of them need to draw‚ some of them need to interact‚ etcetera. Computers allow you to learn at your own pace. They give you time to slow
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Computer Memory Memory: Your memory does not store everything forever. The computer memory refers to computer components‚ devices and recording media that retain digital information. The computer data storage provides one of the core functions of a computer that of information retention. How a Computer Remembers: A computer has two memories‚ called RAM and ROM. ROM stands for Read Only Memory. It carries the information. The computer needs to carry out‚ it’s task‚ and it cannot be altered
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Assignment 1: Computer Archtecture Intro to Info Technology – CIS 106031VA016-1144-001 Professor John Murnane May 4‚ 2014 Von Neumann Architecture Von Neumann architecture is a stored program architecture with no differentiation between data and instruction memory. Both the data and instruction reside on a single chip. The concept of no differentiation between data and instruction memory is accurate‚ but existing on one chip has nothing to do with it. Most computer memories
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