Modern input and output devices.

Input devices:

  • Keyboard
  • Mouse
  • Game pad
  • Trackball
  • Touchscreen
Output devices:

  • Monitor
  • Printer
  • Speaker
  • Plotter
  • Dot matrix printer
EAMPLES OF INPUT DEVICE AS IN IMAGE:

An image of keyboard.
EXAMPLE OF OUTPUT DEVICE AS IN IMAGE:

an image o speaker.

Comments

Post a Comment

Popular posts from this blog

Describe examples of the way in which ICT is used.

here the examples of ICT in daily life. ICTs  stand for information and communication technologies 1. THE USES OF ICT IN OUR SOCIETY 2.  ICT EDUCATION AGRICULTURETRANSPORTATION MEDICINE ENGINEERING SECURITY BANKING ENTERTAINMENT 3.  EDUCATION Use of IT to automate activities by keeping records students, results of the exam, making assignments etc. Managing school accounting. 4.  AGRICULTURE  Using computerized agricultural equipment  Using internet and email to dessimenate information  Agricultural Instruction 5.  MEDICINE  Many technology is used for diagnosis and cure of many diseases. Ex.  CT Scan  Ultrasound Devices  Magnetic Resonance Imaging (MRI) 6.  ENGINEERING  To Prepare the drawing using CAD, and CAM engineers used Information Technology  To build the plans for the buildings 7.  SECURITY  To track the Criminals through maintenance of database Information Technolgy  Using anti-virus for devices  CCTV for personal Purposes 8.  ENTERTAINMENT 
Read more

Describe types and components of computer systems.

Image
Types of computer system. The hardware. The operating sytem. The utilities. The application programs. End users Utilities  are the small programs that provide an addition to the capabilities provided by an operating system. Generally utilities perform a specific task related to managing the system resources. Operating systems contain a number of utilities for managing disk drives, printers, and other devices. Utilities are installed as memory resident programs that assist in system management. These utilities are essential and critical to modern computer environments. They perform the important tasks such as disk optimization and anti-virus protection. Most system utilities are installed, configured and periodically updated for a specific computer configuration. Application programs  are the computer programs which are used for the purpose of performing specific tasks using a computer. Application programs define the ways in which the system resources are used to solve th
Read more

Cloud computing advantages and disadvantages.

In this post we'll discuss about cloud computing. Advantages: Easy implementation. Cloud hosting allows business to retain the same applications and business processes without having to deal with the backend technicalities. Readily manageable by the Internet, a cloud infrastructure can be accessed by enterprises easily and quickly.   Accessibility. Access your data anywhere, anytime. An Internet cloud infrastructure maximizes enterprise productivity and efficiency by ensuring your application is always accessible. This allows for easy collaboration and sharing among users in multiple locations.  No hardware required. Since everything will be hosted in the cloud, a physical storage center is no longer needed. However, a backup could be worth looking into in the event of a disaster that could leave your company's productivity stagnant.  Cost per head. Overhead technology costs are kept at a minimum with cloud hosting services, enabling businesses to use the ex
Read more