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Unit1 Evolution of Computer Class-6 Computer Science Class-VI Unit 1 Evolution of Computer A.        Fill in the blanks : (main frame, 300BC, 1642, analytical engine, John Napier) 1. Abacus was invented in   300BC  . 2. Concept of decimal was introduced by  John Napier . 3. Pascaline was invented in  1642  year. 4.  Analytical Engine   the base of today's computer. 5.  Main Frame    computers are used in Banks, Railways etc.  Label the picture B. Match the Devices with their inventors Name of Device Name of Inventor 1. ABACUS a) Dr. Herman Hollerith 2. PASCALINE b) John Napier 3. NAPIER'S BONES c) Charles Babbage 4. TABULATING MACHINE d) Chinese 5. DIFFERENCE ENGINE e) Blaise Pascal Ans— 1. ABACUS  à   d) Chinese 2. PASCALINE  à   e) Blaise Pascal 3. NAPIER'S BONES   à   b) John Napier 4. TABULATING MACHINE  à   a) Dr. Herman Hollerith 5. DIFFERENCE ENGINE   à   c) Charles Babbage   C. Very Short Answer Questions: a)   Name two example of SUPER Computer . Ans-Example : Cray

Evolution of Computer /Test 1 / Class-6 Computer Science Class-VI Lesson 1 Evolution of Computer Class Test A.      Fill in the blanks :                                                                                            3 1 First calculating device is ______________________ 2.  _________________  the base of today's computer. 3___________________    computers are used in Banks, Railways etc.  Label the picture   B. Very Short Answer Questions:                                                                      2 a)   Name two example of SUPER Computer.   b)  Which type of computer is used in small organization?   C Short Answer Questions:                                                                                 2   a)   Differentiate between Mainframe and Super Computer     D Write Short Note on the following .                                                                1 (1)  ENIAC   E. Match the Devices with their inventors                                       

Software & It's Type / Class -7 Computer Science Class-VII Lesson 2  Software & It’s Type Q1) Fill in the blanks [ Hint - application, programs, system, ms word, ms powerpoint, operating ] 1. There are two broad categories of software  System Software   and  Application software . 2. Software is a set of  Program . 3. A _ MS Word   program lets you create documents such as letters and reports. 4. MS Windows is example of   Operating   system. 5.  Ms Powerpoint   software is used to create multimedia presentation. Q2 ) Match the following: A B 1. Spreadsheet a)MS word 2. Word processor b)Corel Draw 3. Presentation software c)Power Point 4. Graphic software d)MS Excel 5. Desktop publishing e) Paint Ans:  1. Spreadsheet -- d)MS Excel 2. Word processor -- a)MS word  3. Presentation software -- c)Power Point 4. Graphic software -- e) Paint 5. Desktop publishing -- b)Corel Draw Q3)Answer the following questions: 1.       What is software? Name its type. Ans- A set of instructions

 Class Notes Class: IX Topic: Introduction to IT-ITES Industry Subject: IT Q1- What do you understand by the term IT and ITeS? Ans-Information Technology (IT) means creating, managing, storing and exchanging information using all types of technology to deal with information. ITeS: Information Technology that enables the business by improving the quality of service is Information Technology enabled Services (ITeS). Q2- What are the pros and cons of using ICT? Ans- Pros of Using ICT are: 1. Easy and quick communication 2. Anywhere anytime easy access to information 3. Improved housing and lifestyle 4. Increased the productivity and efficiency of every industry in the world. 5. Convenience in travelling and education 6. Encourages innovation and creativity 7. Creation of new jobs -ICT has created new and interesting jobs. Cons of using technology are: 1. Privacy: Your information on phone or emails can be hacked, 2. Cybercrime: Crimes like cyber bullying, phishing, identity theft, cyberst