1. Central Processing Unit (CPU): The CPU, or processor, acts as the brain of the computer, executing instructions and performing calculations. It comprises the control unit, arithmetic logic unit (ALU), and registers, working in tandem to process data and carry out commands from software programs. 2. Random Access Memory (RAM): RAM serves as the […]
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The CPU, also known as the processor, is an intricate electronic circuit that serves as the primary component for executing instructions in a computer program. Its primary function is to perform basic arithmetic, logical, control, and input/output (I/O) operations as dictated by the software. Components of a CPU Control Unit (CU): This component is
A memory is just like a human brain. It is used to store data and instructions. There are different types of memories, which are used in computer. Primary memory has other names as Main memory or Random Access Memory (RAM), CPU uses it to store or retrieve data and instructions for processing. Secondary Memory or
Computer – Input Devices Following are some of the important input devices which are used in a computer − Keyboard Mouse Joy Stick Light pen Track Ball Scanner Graphic Tablet Microphone Magnetic Ink Card Reader(MICR) Optical Character Reader(OCR) Bar Code Reader Optical Mark Reader(OMR) Keyboard Keyboard is the most common and very popular input
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Following are some of the important output devices used in a computer. Monitors Graphic Plotter Printer Monitors Monitors, commonly called as Visual Display Unit (VDU), are the main output device of a computer. It forms images from tiny dots, called pixels that are arranged in a rectangular form. The sharpness of the image depends
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Fundamental of computer Fundamentals of computers refer to the basic principles and concepts that form the foundation of computer science. These principles and concepts include: 1. Hardware: The physical components of a computer, including the central processing unit (CPU), memory, storage devices, input/output devices, and peripherals. 2. Software: Programs and instructions that control and manage
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An operating system (OS) is a software system that manages the hardware resources and provides services to the applications running on a computer. It acts as an intermediary between the user and the computer hardware. The operating system is responsible for managing various tasks, including managing the file system, memory management, managing input/output devices (such
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