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batch processingwhen the entire computer system is dedicated to a single job the system is said to be operating in batch processing mode in this mode
operating system os an operating system is the complete set of programs written to utilize the computer resources in an optimal manner the operating
compiler a compiler is a special program which translates programs written in high level language into machine language the original program is
languagesthe language is a program containing rules and guidelines to help us in making programs there are various languages like c basic cobol
application software application software generally is the software which is used to generate customized applications for the clientsex word star
systems software systems software generally is the software which control the computers and other peripheralsex ms dos windows 95 unix netware and
software computer cannot be used without a software in it it is the software which gives instructions to the hardware of the computer so as to work
compact diskette cd cd-rom cd-rom stands for compact disk-read only memory this disk comes with data already stored in it it can store around 640 mb
central processing unitmicroprocessorthe microprocessor is an important component in the cpu it is the unit which processes the instructions
types of printers1 impact printersthe impact printers produce the image through a mechanism of striking on the stationary2 line printerthis type
output devices video display unit vdu or monitorvideo display unit is similar to a television it is used to display the results of processes the
input devices keyboardkeyboard is the device through which the commands instructions required for execution of a program is entered it consists of a
overview of a computer system there are three major elements in every computer solution they are data hardware
another way of classifying a computer system is based upon its size and capabilitiesmicrocomputers microcomputers are systems based on the use of
special-purpose and general-purpose computers in general there are two types of digital computers the first is the special-purpose digital computer
classification of computersdigital analog and hybrid computers are of three basic types ndash digital analog and hybrid current use of the word
the fourth generation 1975 onwards this generation of computers have one or more of the following characteristics semi-conductor memory
the third generation 1966-1975 the introduction of ibm-360 series of computers in 1965 marked the beginning of this generation the transistors were
the second generation 1956-1965 this generation of computers were characterized by considerable reduction in physical size
the first generation 1949-1955 the computers in this generation have the following characteristics physically large in size
historical background the brief history of the growth of computers is given belowabacus it was the first mechanical device developed
data autonomous transmissionthis could be the possible replacement for the arinc 429 standard and will be annotated the standard - arinc 629 in the
read only memory romthe problem with ram is that its memory is volatile ie it loses all its data when the power supply is removed a non-volatile
random access memory ramthe ram-type memory will allow data to be written into it as well as read from it with very few exceptions rams lose their
basic computer structurea computer is an electronic device which can accept and process data by carrying out a set of stored instructions in sequence