equivalent binary and decimal : (i) (ii) (b) (51)16 (DA)16 5 4 1. How is the access time on a disk is defined ? Explain each of the component of access time with the help of an example. Explain the basic structure of a computer system ? With the help of a diagram . A personal computer has a component called motherboard. How is motherboard related to the basic computer structure ? (c) 6 BCS-011 1 P.T.O. List five facilities that are provided by an operating system to a user
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Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic‚ a computer system nothing
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References: British Columbia Institute of Technology. (n.d.). Table of examples. Retrieved May 24‚ 2006‚ from http://commons.bcit.ca/math/examples/ Redshaw‚ K. (1996). Binary system. Retrieved May 24‚ 2006‚ from http://www.kerryr.net/pioneers/binary.htm Technology Museum of Thessolaniki. (2001). The future of T.M.Th. – "project 2000". Retrieved May 24‚ 2006‚ from http://www.tmth.edu.gr/en/museum.html Wattenberg‚ F. (1999
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digits 1 and 0. Hence‚ our ordinary decimal number system consisting ten digits (0-9) do not suits the data representation of CPU. It works with simple binary system. BINARY NUMBER SYSTEM It uses two symbols or digits i.e. 0 and 1. And all the symbol‚ Arithmetic number etc. are represents in the form of 0’s and 1’s. And ordinary decimal number can be converted to its binary form in the following manner- Ques: Convert (45) 10 to its Binary equivalent 2 45 2 22 1 2 11 0 2 5 1
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1.1 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 1102 using either paper and pencil or a Word document. 1102=7 (128) 27 (64) 26 (32) 25 (16) 24 (8) 23 (4) 22 (2) 21 (1) 20 1 1 0 Exercise 1.1.3 Create a mapping similar to Figure 1-2 for the binary number 112 using either
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FINAL CASE STUDY Prompt the user to input a username and password. Password must be invisible or may not be seen by anyone. If the username and password matched in the specified username and password of the program the user will proceeds otherwise ask to try again. Ex1. Username : saicy Password : ***** Username / Password do not match! Try again[Y/N]:y Ex2. Username : saicy Password : Congratulation! Press enter to proceed.. Welcome saicy to my program! [Q] Sequential [L]
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the computer’s language is binary 0s and 1s. The computer cannot understand typed or written instructions or data. Whenever data or instructions or input to the computer it is first converted to 0s and 1s‚ these are called binary digits (bits). There are a number of methods that are used to represent data in computer system‚ namely: 1. Binary Representation 2. ASCII - American Standard Code for Information Interchange 3. EDCDIC - Extended Binary Coded Decimal Interchange
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Chapter 1 Study Guide 1. What numbering system is used in most electronic devices? (4) Computers record the ideas they work with electronically‚ as bits‚ and these bits represent either a 1 or a 0 2. Define the following: a. Bit – The smallest unit of data stored in a computing device‚ representing a single binary digit of value 1 or 0 b. Byte – A unit of data in a computer‚ it is made up of 8 bits c. Word – Two bytes of computer memory‚ or 16 bits d. Double Word – Two words of computer memory
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“Mesoamerican Vigesimal Number System” In the modern world we use a number system based on ten with a symbol representing zero to nine. Numbers are written horizontally with each number place representing that the number value has exceeded the value of the number place to the right. The Mayans or Mesoamericans used a twenty based number system that is written vertically. According to the Mayans numerical system one dot is equal to one and instead of writing five dots for the number five a line
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Course Name: Fundamentals of Programming Course Code: MCA111 Objectives: The aim of this course is to introduce the rudiments of programming to the students. Students will become familiar with problem solving techniques and algorithm development using computers. This will include structured programming using C‚ a high-level programming language. Prerequisites: None Contents: 1.Introduction to programming& Basics of C: Concepts of Algorithm and Flowcharts‚ Process of compilation‚ Generation
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