Concepts 7 Unit B Ppt
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The document discusses various computer hardware topics including input devices like keyboards and mice, display devices like monitors and screen resolution, different types of printers, and storage technologies and devices. It compares technologies like hard disk drives, solid state drives, CDs/DVDs, and tape drives in terms of access times, data transfer rates, storage capacities, and whether they provide random or sequential access to data. The document provides information to help understand and compare key aspects of common computer hardware components.
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Touch screens
Ip and op
This document discusses computer input, output, memory, and storage. It covers a wide range of topics including input devices like keyboards and microphones, output devices like monitors and speakers, the differences between computer memory and storage, and various storage technologies like hard drives, floppy disks, CDs/DVDs, and solid state drives. The key aspects of input, output, memory, and multiple storage options are summarized to give an overview of how computers process and store data.
14. Computer Systems Output Devices
Output devices convey processed data and information to users. Display devices like monitors visually output text, graphics, and video using technologies like CRT, LCD, plasma, and projectors. Printers in turn output hard copies on paper using impact, inkjet, laser, and other technologies. Other output devices include audio speakers, fax machines, and multifunction devices that combine printing, scanning, copying, and faxing functions. Output devices are adapted for physically challenged users through accessibility features and specialized devices like Braille printers.
Input and output, the user connection
Users submit data (input) into computers through various input devices and receive processed information as output. Input can be entered instantly or processed over time. Common input devices include keyboards, pointing devices like mice, touchscreens, scanners, microphones for voice input, and cameras. Output is displayed on computer screens and printers or played through speakers. Screen resolution, color depth, and refresh rate impact output quality. Printers include low-cost impact printers and higher-quality non-impact laser and inkjet printers. Proper handling of computer data raises ethical issues around data alteration, access, and use.
Ppt lesson 05
This document identifies and describes common computer input, output, and storage devices. It discusses keyboards, mice, and other input devices like touchscreens. Popular output devices covered are monitors and printers. Storage media discussed include magnetic, optical, and solid-state devices. The document also covers how to connect and care for input/output and storage devices.
Week6 input, output and storage devices
This document summarizes and describes various computer input and output devices. It discusses common input devices like keyboards, mice, touchscreens, graphics tablets, webcams, microphones, and joysticks. It then covers standard keyboard layouts and describes touch screens, light pens, and graphics tablets in more detail. The document next summarizes common output devices such as monitors, printers, plotters, speakers and headphones. It concludes by describing various data storage devices including hard disk drives, solid state drives, floppy disks, CDs, DVDs, flash drives, and Blu-ray discs.
Fundamentals
The document discusses various input and output devices used in computer systems. It describes how input is converted from human language to binary for processing by the CPU and then output is converted back to human language. Some common input devices mentioned include keyboards, scanners, barcode readers, sensors, microphones. Output devices discussed include monitors, printers, projectors, fax machines. The document also covers various storage devices like floppy disks, hard disks, CDs, DVDs, tape drives, PC cards and smart cards that are used to store data secondary after it is processed by the CPU.
Input devices
This document discusses different types of input and output devices used with computers. It describes keyboards, mice, touch screens, scanners, microphones, and other pointing devices as common input methods. Output devices mentioned include computer monitors in CRT, LCD, and LED varieties, printers, speakers, magnetic storage like hard drives and floppy disks, optical discs, flash memory, and online/cloud storage. The document provides examples and brief explanations of these various computer peripherals and storage technologies.
Lec no. 4 hardware and software basic
The document provides an overview of basic hardware and software concepts. It describes the differences between digital and analog devices, and lists common computer hardware components like the central processing unit, memory, storage devices, input devices, and output devices. It also discusses operating systems, application software, microcomputer platforms, and basic computer networking concepts.
Hwswb
The document provides an overview of basic hardware and software concepts, including:
1) It describes digital and analog devices, and gives examples of each. Digital devices use discrete data while analog operates on continuously varying data.
2) The main components of a computer are described as the central processing unit (CPU), memory, storage devices, input devices, and output devices. Examples of each type of device are provided.
3) Different types of computer platforms, operating systems, and issues of compatibility across platforms are discussed. Understanding which platform a computer uses is important for purchasing software.
Hardware and Software Basics With Dr. Poirot
The document provides an overview of hardware and software basics, describing key components of computers including digital and analog devices, computer hardware such as the CPU and memory, storage technologies, input and output devices, networks, operating systems, application software, programming languages, and instructional support technologies. It compares and contrasts different types of hardware and software and discusses tradeoffs between options like speed vs cost and capacity vs cost.
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