How does the hardware and software interact to make the computer work?
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There are a lot many differences between the hardware and software. Including the nature, functionality and the ability to be changed again and again the software and hardware differ from each other in numerous ways. But ultimately they are useless in the absence of the other.
Once you perform programming, using some high-level programming language (eg. C, C# etc) the entire set of code you write is converted into 1s and 0s. This is taken care of by the compiler which converts written code into binary (1s and 0s) once the program follows a defined set of rules or the syntax. These 1s and 0s are simply the voltage levels which establish the control over all the electric circuits.
For example, consider a simple LED bulb connected to a battery supply and a small switch. Whenever this switch is closed the LED glows and once the switch is open the LED gets turned OFF. The bulb glows and gets turned OFF because of the variation in voltage levels in these instances. When the switch is closed the entire supply voltage is across the LED bulb due to which it glows and once the switch is open, the bulb isn’t supplied with the required voltage and hence it doesn’t work. This is how voltage levels control the LED bulb. The physical act of turning ON and OFF by opening and closing the LED bulb can be substituted by any other mechanism. This works fine until this mechanism actually is able to operate as per your requirement.
In case of computers, the entire hardware is supplied varying voltages due to which different components get activated at the same or different time instances and achieve a particular task. Finally all the binary data in a computer is nothing but the voltage level information, for which a particular task is assigned to be executed.
The entire sequence of events that occur for hardware and software interaction is under the control of OS. All the driver software help the OS to actually communicate with the hardware, so as to execute the application software.
There are a lot many differences between the hardware and software. Including the nature, functionality and the ability to be changed again and again the software and hardware differ from each other in numerous ways. But ultimately they are useless in the absence of the other.
Once you perform programming, using some high-level programming language (eg. C, C# etc) the entire set of code you write is converted into 1s and 0s. This is taken care of by the compiler which converts written code into binary (1s and 0s) once the program follows a defined set of rules or the syntax. These 1s and 0s are simply the voltage levels which establish the control over all the electric circuits.
For example, consider a simple LED bulb connected to a battery supply and a small switch. Whenever this switch is closed the LED glows and once the switch is open the LED gets turned OFF. The bulb glows and gets turned OFF because of the variation in voltage levels in these instances. When the switch is closed the entire supply voltage is across the LED bulb due to which it glows and once the switch is open, the bulb isn’t supplied with the required voltage and hence it doesn’t work. This is how voltage levels control the LED bulb. The physical act of turning ON and OFF by opening and closing the LED bulb can be substituted by any other mechanism. This works fine until this mechanism actually is able to operate as per your requirement.
In case of computers, the entire hardware is supplied varying voltages due to which different components get activated at the same or different time instances and achieve a particular task. Finally all the binary data in a computer is nothing but the voltage level information, for which a particular task is assigned to be executed.
The entire sequence of events that occur for hardware and software interaction is under the control of OS. All the driver software help the OS to actually communicate with the hardware, so as to execute the application software.
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it's the physics that explains how everything works: the best description we have of the nature of the particles that make up matter and the forces with which they interact. Quantum physics underlies how atoms work, and so why chemistry and biology work as they do.
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