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and Measurement” Chapter two discusses the understanding of computer‚ math‚ and measurements. Also‚ it shows you how we use computer math with computer hardware and systems. Some of these concepts are bits versus bytes‚ binary versus decimal‚ Boolean operators‚ hertz‚ and data transfer. The chapter two also shows numbering systems used in computers. These are some importance skills that will help you in the computer field. Thirty plus years ago‚ the first personal computer terms such as bits
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Terea Scruggs NT1210 (6 – 11 pm) Due 1/5/14 Labs 1.1 – 1.6‚ 2.4‚ 3.5 Lab 1.1 Reading Binary Exercise 1.1.1 Create a mapping similar to Figure 1- 1 for the decimal number 2931 using either paper and pencil or a Word document. Exercise 1.1.2 Create a mapping similar to Figure 1- 2 for the binary number 110 2 using either paper and pencil or a Word document. Exercise 1.1.3 Create a mapping similar to Figure 1- 2 for the binary number 11 2 using either paper and pencil or a Word document. Exercise
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The cardiovascular system‚ also known as the circulatory system‚ is composed of the heart‚ blood vessels‚ and blood. The term cardiovascular refers to the heart (cardio-) and blood vessels (vascular). The term circulatory refers to the circulation of the blood. The heart is a muscular pump and its regular contractions send blood into tough‚ elastic tubes called arteries‚ which branch into smaller vessels and convey oxygen-rich blood through the body. The arteries eventually divide into tiny capillaries
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Computer Science? Computer Science or Computer Studies is the study of how a computer works from inside‚ how it connects with other computers and how information is spread from one place to another through technology. HARDWARE REQUIRED IN A COMPUTER SYSTEM What is a computer? A computer is a hardware machine which under the control of software performs instructions to do an action. The computer main function is to process data. What is hardware? Hardware are all the devices which one can physically
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proportion of electronic equipment‚ including computers‚ uses digital electronics where the quantities (usually voltage) are described by two states; on and off. These two states can also be represented by true and false‚ 1 and 0‚ and in most physical systems are represented by the voltages 5V and 0V‚ or something close to that. While the restriction to two states seems limiting it makes many things easier because problems due to noise are minimized. It is generally very easy to reliably distinguish between
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Computer Science PLUS I Volume 1 : Concepts Government of Tamilnadu © Government of Tamilnadu First Edition – 2005 Chairman Syllabus Committee Dr. Balagurusamy E‚ Vice Chancellor‚ Anna University‚ Chennai Co-Ordinator Textbook Writing Dr. Sankaranarayanan V‚ Director‚ Tamil Virtual University‚ Chennai Authors Dr. Elango S‚ Government Arts College‚ Nandanam‚ Chennai Dr. Jothi A‚ Former Professor‚ Presidency College‚ Chennai Mr. Malaiarasu P ‚ Government Arts College‚ Nandanam‚ Chennai Dr. Ramachandran
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can be a mental stimulus‚ perception‚ representation‚ knowledge‚ or even an instruction. The examples of data can be facts‚ analysis‚ or statistics. In computer terms‚ symbols‚ characters‚ images‚ or numbers are data. These are the inputs for the system to give a meaningful interpretation. In order‚ data in a meaningful form is information. In a computer‚ however‚ all data is represented by the state of the computer’s electronic switches. A switch has only two possible states- on and off –so it
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programming language that is able to efficiently handle composite and diverse data types. The language implementation is pivoted on the ingenious concept of object oriented programming (OOP). Today‚ C++ dominates the commercial market and is favored among system programmers and
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Activity 2.3.1 Hexadecimal and Octal Number Systems Introduction We all know that digital electronics use the binary number system. However‚ with new computers containing 32‚ 64‚ and even 128 bit data busses‚ displaying numbers in binary is quite cumbersome. For example‚ a single piece of data on a 64-bit data bus would look like this: 0110100101110001001101001100101001101001011100010011010011001010 Obviously‚ presenting data in this form would invite error. For this reason we use the hexadecimal
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