Applications




Because of the diversity of modernupdate hardware and operating systems, drivers operate in many different environments. Drivers may interface with:

  • Printers
  • Video adapters
  • Network cards
  • Sound cards
  • Local buses of various sorts—in particular, for bus mastering on modern systems
  • Low-bandwidth I/O buses of various sorts (for pointing devices such as mice, keyboards, etc.)
  • Computer storage devices such as hard disk, CD-ROM, and floppy disk buses (ATA, SATA, SCSI, SAS)
  • Implementing support for different file systems
  • Image scanners
  • Digital cameras

Common levels of abstraction for device drivers include:

  • For hardware:
    • Interfacing directly
    • Writing to or reading from a device control register
    • Using some higher-level interface (e.g. Video BIOS)
    • Using another lower-level device driver (e.g. file system drivers using disk drivers)
    • Simulating work with hardware, while doing something entirely different
  • For software:
    • Allowing the operating system direct access to hardware resources
    • Implementing only primitives
    • Implementing an interface for non-driver software (e.g. TWAIN)
    • Implementing a language, sometimes quite high-level (e.g. PostScript)

So choosing and installing the correct device drivers for given hardware is often a key component of computer system configuration.

Comments

Post a Comment

Popular posts from this blog

2) Republic Day 2020 Parade SHOWS: Colourful tableaux, daredevilry, government might on display

India Republic Day -- The indian subcontinent Republic Day 2020 Parade, Flag Hosting HIGHLIGHTS: Perfect Minister Narendra Modi compensated his tributes to martyrs by laying a wreath at the National War Funeral in the presence of Support Minister Rajnath Singh, the 3 service chiefs and Fundamental of Defence Staff Bipin Rawat. India Republic Day time Parade 2020, Flag Web hosting HIGHLIGHTS: India is remembering its 70th Republic Day time Today. The celebration in Rajpath started with Perfect Minister Narendra Modi spending homage to the fallen members of the military at the newly-built National World war Memorial on the Republic Day time for the first time instead of the Amar Jawan Jyoti beneath the India Gate arch. This was followed by President Ram Nath Kovind unfurling the tricolour. The situation marks the day when India’s Constitution came into effect, as well as the country became a republic. Heavylift helicopter Chinook and also attack helicopter Apache, both recently induc
Read more

Logo Designing: An Essential Marketing Tool

Logo Designing is a unique art that is done by some of the creative people to promote a business or product. The logo design forms the identity of the business and helps in creating brand awareness. Logo Designing is an art and is carried out in many forms like letterheads, business cards, banners and other promotional material. The professionals associated with Logo Designing try to create appealing and striking logo designs that are able to attract maximum customers and at the same time remain highly visible in the marketing campaigns. Logo Designing is an art that is an essential part of business identity development. Businesses across the UK offer professional services for professional logo designing in Coimbatore. Logo Designing Companies in Coimbatore has a dedicated team of experienced professionals who work towards developing brand awareness in the market. They provide complete services including creative logo designing, web promotion, corporate identity designing and ecommerc
Read more

Device driver

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer. A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used. A driver communicates with the device through the computer bus or communications subsystem to which the hardware connects. When a calling program invokes a routine in the driver, the driver issues commands to the device. Once the device sends data back to the driver, the driver may invoke routines in the original calling program. Drivers are hardware dependent and operating-system-specific. They usually provide the interrupt handling required for any necessary asynchronous time-dependent hardware interface.
Read more