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Computer class 9th  CH:1   FUNDAMENTAL OF COMPUTER   Q1 . Select the best answer for the following MCQs.   i. Who invented logarithm?  A. Blaise Pascal B. John Napier  C. Charles Babbage D. Herman Hollerith Correct answer is  John Napier.   ii. Which generation of computer used transistor?  A. 1st Generation of Computers B. 2nd Generation of Computers C. 3rd Generation of Computers D. 4th Generation of Computers   Correct answer is  2nd generation of computers.         iii. In which generation of computer microprocessor was introduced?  A. 1st Generation of Computers B. 2nd Generation of Computers C. 3rd Generation of Computers D. 4th Generation of Computers Correct answer is  4th generation of computer.    iv. Which of the following computer supports thousands of users at the same time? A. Microcomputer B. Minicomputer  C. Mainframe computer C. Laptop computer...

Definition of computer:- Computer introduction: A computer is general purpose electronic machine invented to help people to solve problem. Computer must be programmed by human beings to perform various tasks. Various programming techniques are used for problem solving on computer. In other words: A  computer is programmable electronics device that takes data, perform instructed arithmetic and logic operations, and gives output. The computer as input is called data and output recieved is called information. Basic computer, it working: INTRODUCTION:- A computer is general purpose electronic machine invented to help people to solve problem. Computer must be programmed by human beings to perform various tasks. Various programming techniques are used for problem solving on computer. short keys: input/output devices: Following are few of the important input devices which are used in a computer: Keyboard Mouse , Joy Stick,  Light pen,  Track Ball,  Scanner,  G...

COMPUTER CLASS 10 TH           *----------------*-------------------* CH1:-PROGRAMMING TECHNIQUES Q1 . Select the best answer for the following MCQs.   i. Which of the following structures repeats one or more operations. A.  Sequence B. Section C. Loop D. Decision Correct answer is  Loop.   ii. Which of the following structure allows a choice among  various options? A.  Sequence B. Section C. Loop D. Decision Correct answer is  Selection.   iii. Which of the following is a sequence of instruction written in a computer language to solve a problem? A. Algorithm B. Flowchart C. Program D. Program Analysis Correct answer is  Program. iv. What illustrate a sequence of operation to be performed to solve a problem in the form of a diagram? A. Algorithm B. Flowchart C. Program D. Program Analysis Correct answer is  Flowchart.   v. What is represented by paral...

CCOMPUTER FUNDAMENTALS Today the world is an information rich world and it has become necessary for everyone to know about computers-- ( Common Operating Machine Purposely Used for Technological and Educational Research) Computer:-  Computers is an electronic machine users enter raw data as input, the computer processes and produces output. Computer:- computer is general purpose electronic machine invented to help people to solve problem computer must be programmed by human beings to perform various task various programming techniques are used for problem solving on computer. Computer program:- the instruction given to the computer to perform a particular(specific) task is known as computer program.  COMPUTER FUNCTIONS Step 1: It takes raw data as input. Step 2: Save information, instructions, and use as needed. Step 3: Process the data and turn it into information (information is always useful). Step 4: generate output. BASIC OPERATIONS OF COMPUTER In...

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CCourses offer by 1stepcomputer.blogspot.com limited seats flexible timing online classes 1.5 months duration At 1StepComputer, we are dedicated to providing you with not only computer services but also opportunities to enhance your knowledge and skills in the digital realm. We offer a wide range of courses and computer content designed to be easy, efficient, advanced, and reliable, catering to learners of all levels of expertise. Whether you're a beginner looking to gain basic computer literacy or an advanced user aiming to sharpen your technical skills, we have something for everyone. Our Course Offerings: 1. Computer Basics: If you're new to computers, this course is perfect for you. Learn the fundamentals of computer operation, including navigating the operating system, file management, using common software applications, and basic troubleshooting techniques. 2. Internet and Email Essentials: Discover the power of the internet and learn how to navigate websites, search fo...