It is like an audio cassette player. The software that you will be using, can be itself a trainer/instructor for a beginner like you. Monitor This output device is like a television screen that displays output such as a text that you are typing. Scanner Input device used to scan image or text and put a digitized version into the computer's storage unit. MouseAn input device. Both High and low voltage can be harmful to the complex electronic circuits and devices inside the computer. Inn view of the above light, it is evident the following hard ware devices may be conceptually exemplified. Information technology (IT) is the use of computers to store, retrieve, transmit, and manipulate data or information. There is an option there named 'Control Panel'. This site is using the Desk Mess Mirrored theme, v2.5, from BuyNowShop.com. Information technology deals with information system, data storage, access, retrieval, analysis and intelligent decision making. We can see at a glance, all the drives, folders and files that are contained in the computer, through using the Windows Explorer. Restoring Deleted File or Folder from Recycle Bin&bullDouble Click on the Recycle Bin Icon of your Desktop.&bullRecycle Bin window appears&bullClick the file or folder you deleted and want to restore&bullClick File Menu&bullClick RestoreThe figure below might make the steps clearer:Cut, copy and pastePreface: In our country, especially in Dhaka city, we are all too familiar with postering on the walls. There can be 101 to 105 numbers of keys on a keyboard. addition, subtraction, multiply and division. This page was last modified on 20 September 2008, at 16:42. It had 5000 miles of electric cable and combination 7.5 lakh electronic parts. Information technology deals with information system, data storage, access, retrieval, analysis and intelligent decision making. Information technology stands firmly on hardware and software of a computer and tele-communication infrastructure. Clicking on 'Paste' toolbar or Edit-menu option moves this replica from the clipboard to the clicked place. IT is typically used within the context of business operations as opposed to personal or entertainment technologies. Instead of directly connecting your precious appliances to the main power line, connect the computer to the stabilizer and the stabilizer to the wall socket. 1958 saw the introduction of Integrated Circuits, popularly known as IC, which made the huge availability of computers today possible.&bullThen came Gordon Moore on 1971 with his revolutionary invention of microprocessors.&bullAfter the microprocessors, the progress was fast. To be really useful, however, it also needs a place to keep program files and related data when it is not using them. CD ROM Drive Used to read from CD ROMs. Unfortunately, like all other new technologies, the computer has its own set of phobias for its users. The computer screen will show various start up info and messages and will stop after a reaching a state and wait for your intervention.Shutdown and switch off the computerThere is a specific set of steps that a user must follow to shut down the computer. The computer can be programmed to do almost anything with the right set of instructions and codes; i.e. Click on File menu. IBM of USA introduced Microcomputers, which is now popularly known as PC or Personal Computer. Click Folder. In the Windows Explorer select a file; click on Edit menu or the toolbar and then click the Cut or copy option. Data and instructions are permanently programmed in this type of memory.Storage UnitIt is possible from a computer to function with just processing, memory, input and output devices. Also, a file can be copied to or from the floppy disk from or to the hard disk.How to open Windows Explorer:Method: Windows Explorer Environment:FolderFolders are like file cabinets. The first step is a self-test. When we click on the YES button a message will appear "Its Now Safe to Turn of Your Computer". This routine is called the BIOS (Basic Input Output System) and is located in read-only memory (ROM).Operating SystemNext the computer looks in the floppy disk drive and then the hard disk drive for a special program called Operating System. Delete a Folder or FileAs mentioned before, to delete a file or folder is the easiest thing to do in a computer, so be extra careful of what you are deleting. As an example let us run the Microsoft Word:&bullClick Start button&bullClick Programs&bullClick Microsoft WordControl PanelClicking on the Start button shows an option 'Settings'. This is illustrated in the figure below. The newly created folder is given the name 'New Folder' by default. Information technology is a study of the design, implementation, development, management, and support of computer-based information systems that assist with … A user can organize his/her files and decide which files should go into which folder, create new folders, cut or coy and paste files and folders etc. It automatically receives data, process data and by controlling the whole process of operation, the desired goal is established. This page has been accessed 51,626 times. &bullEach type of hardware of the computer has a specific or several functions. Concepts and Applications of Information Technology IFSM 201 | 3 Credits (Access to a standard office productivity package, i.e., word processing, spreadsheet, database, and presentation software, required.) A stabilizer is used to produce a static supply of power in the face of disturbance in the actual supply. You must insert the floppy disk into the floppy disk drive. To select is to mark a text, file, folder that must be copied or cut. The information and instructions that have been fed into the computer's memory to perform a specific task is collectively known as software. Fundamental Concept of Information Technology A computer is an electrically powered device or set of devices which works under the control of a stored programme. – project of computer e-education with open access. There are special function keys, alphabets, numbers assembled on the keyboard. Some disks are built into the drive and are not meant to be removed. It generates power when the main power supply fails and gives a user some time to shut down the computer properly. This research did not go far due to hindrance of promised fund by the Royal Society of England. To copy a file to Floppy Disk&bullOpen Windows Explorer&bullInsert a floppy disk into the Floppy Drive&bullSelect the file you want to copy&bullClick the Copy Button on the toolbar&bullClick the A: drive&bullClick Paste tool bar buttonFile ManagementTo find important files quickly, you should organize your files in easily detectable folders. You can keep these files in a folder named 'Employee'. But notice that we listen to the song, but we cannot 'touch' the song. The selected text, file or folder will take on a different color (commonly black) to indicate a selection. Control Panel programs should only be worked on by a liitle more experienced people than the beginner.List of some tasks the control panel programs can perform:&bullControl Date and Time of computeAdd or remove new programs&bullInstall new hardware&bullInstall new printer&bullBackground look of the Desktop can be changed&bullChange the configuration and speed of the mouse&bullOthersWindows ExplorerWindows Explorer in its simplest definition, is the table of contents of a computer. While sending input, we use input device. There are different types of printers available at different price ranges. We send message in the form of command which are duly processed in the computer by way of creating the digital electronic signal. The block diagram below lists the most common hardware of the computer. You can click and drag the moue to select a text or click a file or folder to select. He invented 'Differential Engine' on 1812.&bullHe performed fast calculations with this machine. This site is using the Desk Mess Mirrored theme, v2.5, from, Acknowledgement of completion – digital literacy, Advanced word processing – handbooks and quizzes, Advanced spreadsheets – handbooks and quizzes, Advanced databases – handbooks and quizzes, Advanced making of presentations – handbooks and quizzes, The basics of the World Wide Web (WWW) – Quiz, The basics of CSS (Cascading Style Sheets) – Quiz 1, The basics of CSS (Cascading Style Sheets) – Quiz 2. For example: keyboard, mouse, and scanner.Process Unit: After the data is entered into the computer it is processed to produce outputs. When you click the paste option, the file, folder or text from the clipboard is pasted. You can only do physical harm to a computer by breaking it or one of its components. Now switch off the UPS and stabilizer and last but not least, switch off the wall socket i.e. Click is when you press a button on the mouse. Few other modern advances in technology have the capacity to affect so fundamentally the way people work live, learn and govern themselves. KeyboardAn input device. Always follow the steps outlined below. It was used for addition, subtraction, multiplication and division.&bullOn the 17th century a number of instruments were invented which could be used as calculator.&bullOn the 18th century a French scientist named Jacquard, invented an automated loom that could receive designs from punched cards.&bullAt a certain step of perpetual research, came Charles Babbgae with unique ideas. So don't be abashed or apprehensive, switch on the 'magic-box' and get started.Switch on the computerSee if the electric connections are as it should be and press the power button of the CPU. It automatically receives data, process data and by controlling the whole process of operation, the desired goal is established. For example: supposing there is number of files for the employees of an office, which contains the employee's personal information, salary, previous experience etc. The computer can only work with numbers, not letters, sounds or pictures. As with the industrial revolution, both the time and direction of many changes are difficult to predict. Click New. Other programs are required to make the computer useful for people. For example: Hard disk. The five human sense receivers are the input devices of the human brain. IT has become on important part of the Indian economy for example S&E make extensive use of computer modeling & simulation and large share of database advances in networking facilitate global collaboration in research and product development, implement the results of academic research and conduct significant amounts of applied R&D, IT also influences the pipeline for S&E through its affects on the demand for people with technical skills and through its use in education at all levels. Data used by program is also loaded into memory for fast access.RAM (Random Access Memory): The most common type of memory is RAM. The computer identifies the devices that are attached to it, counts the amount of memory available and does a quick checkto see whether the memory is functioning prperly. Chip technology allow us to transmit information to the device and also receive data from it by using radio waves. &bullThe speed of data processing depends on how powerful the processor is. You can organize your files in different folders as you choose. It is volatile memory, as it needs constant supply of power.

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