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Device drivers
Device driver software is used for communication between devices and
computer. We have a monitor, keyboard and mouse attached to almost every PC; if we
look at the properties of these devices we will see if the app has it
installed special software to control these devices. This piece of software is called
device driver software. If we are going to attach a new device to a computer, we need it
communication software for this device. BT ALL SUBJECTS PAST PAPERS
These types of software are known as
machine drivers e.g. CD Rom driver, sound card driver and Modem driver. Generally
phone manufacturer provides mobile device driver software. Because
scanners to work properly with computers that we install the device driver for
scanner. These days when you see the scanner, we come with TWAIN Drivers.
TWAIN stands for Technology Without an Interesting Name. BT ALL SUBJECTS PAST PAPERS
te file and the location where that file is stored on disk
e this division of the pieces of data on the disk are
close to each other and thus reading the data will be faster. For the purpose of
Disk partitioning using the Defragmentation utility.
integrated flight system.
GPS localization system), another application software, used in vehicles,
s car location Utility software is a program that performs a very specific function, usually related to it
to manage system resources. You would not notice the use of Disk Compression.
Whenever you write a file and save it to disk, Compression Utility compresses the file
file (reduce file size) and write it to disk when requesting this file from
disk, compression utility extracted a file and displayed its contents.
Similarly there is another resource, Disk Defragmentation used for partition
disk. Data is stored on disks in chunks, so if we use several files as well
they make changes to these files and different parts of the file are stored in them
different areas on disk. These pieces are connected with the operating system
knows how to read the contents of a file from a disk covering all the pieces.
The same when we remove is empty and is now available to save some files.
As time goes on, we have more
empty and used pieces on disk. In such a case we say disk
they are separated now.