Multiprocessing is a generic term for the use of two or more central processing units (CPUs) within a single computer system. There are many variations on this basic theme, and the definition of multiprocessing can vary with context, mostly as a function of how CPUs are defined. The term multiprocessing is sometimes used to refer to the execution of multiple concurrent software processes in a system as opposed to a single process at any one instant. However, the term multiprogramming is more appropriate to describe this concept, which is implemented mostly in software, whereas multiprocessing is more appropriate to describe the use of multiple hardware CPUs. A system can be both multiprocessing and multiprogramming, only one of the two, or neither of the two. Time-sharing refers to sharing a computing resource among many users by multitasking. Because early mainframes and minicomputers were extremely expensive, it was rarely possible to allow a single user exclusive access to the machine for interactive use. But because computers in interactive use often spend much of their time idly waiting for user input, it was suggested that multiple users could share a machine by using one user's idle time to service other users. Similarly, small slices of time spent waiting for disk, tape, or network input could be granted to other users. Computers capable of providing time-sharing services would often operate in batch mode overnight.
A symmetric multiprocessing (SMP) system is one in which each processor runs an identical copy of the operating system on each processor. In an asymmetric multiprocessing, system, each processor is assigned a specific tasks. An example of this would be a master- slave relationship between one processor and “the rest”.
Parallel processsing ranges from instruction-level parallelism e.g. superscalar and VLIW to message-passing MIMD also called multicomputer, and also includes SIMD e.g. vector and array processing. Multiprocessing is specifically task parallelism, and is by definition shared-memory MIMD with multiple processor cores, sometimes multiple sockets.
the main difference b/w multiprogramming and multiprocessing O.S. is that the previous one is non-interactive O.S. and the later is interactive O.S. By-Satyam Maheshwari
moreprocessors, the more programms, maybe parallel or one for itself.needs a perfect programmer!good luck!bolliboy
use/ application
Multiprocessing means the computer can do multiple processes parallel of each other (at the same time) with no performance degradation. Multiprogramming is an application that can be used to interface with different programming languages (java, C++, etc)
Cellular multiprocessing is required because it enables computer to save much data and information.
Joblib and multiprocessing are both libraries in Python that can be used for parallel computing tasks. Joblib is a higher-level library that provides easy-to-use interfaces for parallel computing, while multiprocessing is a lower-level library that offers more control over the parallelization process. In terms of performance and efficiency, Joblib is generally easier to use and more user-friendly, but it may not be as efficient as multiprocessing for certain types of parallel computing tasks. This is because Joblib has some overhead associated with its higher-level abstractions, while multiprocessing allows for more fine-grained control over the parallelization process. Overall, the choice between Joblib and multiprocessing will depend on the specific requirements of your parallel computing task and your level of expertise in parallel programming.
ALU stands for arithmetic and logic unit. The ALU does complex calculations, so by having two it gets the job done faster. This may not really make a difference if your an average user, although if you do AutoCAD and stuff that requires rendering then it will make a HUGE difference.
Multiprocessing is accomplished when a processor contains moer than one ALU.
Symmetic multiprocessing is about having multiple CPUs. It is an architecture or design rather than a device.
Time is consuming,cpu switches are rapidly.