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Nairaland Forum / Science/Technology / Computers / Understand Computer System Software Program (438 Views)
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Understand Computer System Software Program by tvreporter: 9:48pm On Jul 19, 2015 |
Computer software (or simply
software) is a program that enables
a computer to perform a specific
task opposed to the physical
components of the system
(hardware). This includes
application software such word
processor, which enables a user to
perform a task, and system
software such as an operating
system which enables other
software to run properly, by
interfacing with hardware and with
other software.
COMPUTER SYSTEM SOFTWARE
RELATIONSHIP TO HARD WARE
Computer software is so called in
contrast to computer hardware,
which encompasses the physical
interconnections and devices
required to store and execute (or
run) the software. In computers,
software is loaded into RAM and
executed in the central processing
unit. At the lowest level, software
consists of a machine language
specific to an individual processor.
A machine language consists of
groups of binary values signifying
processor instructions (object
code), which change the state of
the computer from preceding state.
Software is an ordered sequence of
instructions for changing the state
of the computer hardware in a
particular sequence. It is usually
written in high-level programming
language are that easier and more
efficient for humans to use (closer
to natural language) than machine
language. High-level languages are
compiled or interpreted into
machine language object code.
Software may also be written in an
assembly language, essentially, a
mnemonic representation of a
machine language using natural
language alphabet. Assembly
language must be assembled into
object code via an assembler.
COMPUTER SYSTEM
SOFTWARE RELATIONSHIP TO
DATA
Software has historically been
considered an intermediary
between electronic hardware and
data, which latter entity the
hardware processes according to
the sequence of instructions
defined by the software. http://www.techcules.com/computer-system-software/ |
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