Information Technology · Class 11 Commerce
Ch 1Basics of Information Technology — Class 11 Information Technology, concept-first.
Basics of Information Technology is the opening chapter of the Maharashtra State Board (MSBSHSE) HSC Information Technology course studied at the Std XI level. Before a student can learn to design a web page, work with a database, or understand cyber law — the topics that follow in this course — it helps to first under…
Key concepts
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System Software and Operating Systems
System software runs and manages the computer and provides a platform for other programs; the most important example is the operating system (OS).
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Chapter contents
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Overview
Basics of Information Technology is the opening chapter of the Maharashtra State Board (MSBSHSE) HSC Information Technology course studied at the Std XI level.
Data, Information and Information Technology
Data is raw, unprocessed facts and figures that, on their own, have little or no direct meaning. Data can be numbers, letters, words, symbols, images, or sounds collected from some source but not yet…
The Computer System — Hardware and Software
A computer is an electronic device that accepts data as input, processes it according to a set of instructions (a program), produces useful output, and can store data and instructions for later use.
Input, Output and Storage Devices
An input device is any hardware used to enter data and instructions into a computer. It converts the user's actions or real-world data into a form the computer can process.
Software — System Software and the Operating System
As introduced earlier, software falls into two broad categories — system software and application software. Understanding the difference is important because they serve very different purposes.
Generations of Computers
Computers have developed enormously since they were first built, and this development is commonly described in five generations, each marked by a major change in the main electronic technology (the "s…
Applications of Information Technology in Business and Commerce
For a commerce student, the most important part of information technology is how it is actually used to run a business.
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- Q1Which of the following best describes 'information'? (A) Raw facts and figures with no meaning (B) Processed data that is meaningful and use…Free
- Q2Which one of the following is an input device? (A) Monitor (B) Printer (C) Scanner (D) SpeakerFree
- Q3RAM is described as 'volatile' memory because it: (A) Can store data permanently even without power (B) Loses its contents when the computer…Preview
- Q4Which type of software is the operating system an example of? (A) Application software (B) System software (C) Utility data (D) Customised b…Preview
- Q5The microprocessor, which made the personal computer possible, is the main technology of which generation of computers? (A) First generation…Preview