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A computer is an electronic device that can be programmed to accept data (input), process it and generate result (output). A computer along with additional hardware and software together is called a computer system. A computer system primarily comprises a central processing unit (CPU), memory, input/output devices and storage devices.
Using an input device we can give instructions to the computer to perform an action and the device reverts to our action through an output device. In this article, we shall discuss the various input and output devices which can be connected to a computer, along with their functions.
6 Σεπ 2024 · Based on the previous years' CBSE Class 11 Computer Science papers, we have estimated the marks distribution for Unit 1 Computer Systems and Organisation based on the latest 2024- 25 CBSE curriculum. Introduction to Computer System - 2 to 3 marks. Input/Output Devices - 1 to 2 marks. Types of Software - 3 to 4 marks.
Define a computer system and its characteristics 📝. Identify the basic components of a computer system such as CPU, memory, input/output devices, storage devices and buses 🖥️. Explain the functions and operations of each component and how they communicate with each other 📡.
1 Νοε 2023 · An input/output (I/O) device is a piece of hardware that can take, output, or process data. It receives data as input and provides it to a computer, as well as sends computer data to storage media as a storage output. Input Devices. Input devices are the devices that are used to send signals to the computer for performing tasks.
1.1.2 Input Devices. The devices through which control signals are sent to a computer are termed as input devices. These . devices convert the input data into a digital form that is acceptable by the computer system. Some examples of input devices include keyboard, mouse, scanner, touch screen, etc., as shown in Figure 1.2. Specially designed
23 Φεβ 2022 · The obvious and essential need to generate the output is an input. The input may be singular or it may be a set of inputs. A proper relationship between the input and output must be drawn in order to solve the problem efficiently. The input set should be complete and sufficient enough to draw the output.
