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In structure chart whole application is divided into modules (set of program instructions) and modules are designed according to some principles of design. These are:
Modularity and partitioning: Every system must comprises a hierarchy of modules. Lower level modules are usually smaller in size and scope compared to higher level modules. They serve to partition processes in separate functions.
Coupling: Modules must be loosely coupled. Which means that modules must have little dependence on other modules in a system.
Cohesion: Modules must be highly cohesive. It means that modules must carry out a single processing function.
Span of control: Modules must interact with and manage functions of a limited number of lower level modules. It means that number of called modules must be limited (in a calling module).
Size of Module: Number of instructions present in a module must be limited so that module size is normally small.
Shared use of Functions: Functions must not be duplicated in separate modules may be shared. It means that functions can be written in a single module and can be invoked by any other module when required.
What is the use of fork and exec system calls? Fork is a system call by which a new process is formed. Exec is also a system call, which is used after a fork by one of the two
With neat diagrams explains the configuration of a step-by-step switching system. The schematic diagram for an exchange is specified in figure. Each subscriber is associated to
Q. Define the Register Addressing mode? When operands are taken from registers implicitly or explicitly it is known as register addressing. These operands are termed as regis
1mechanism of artificial satellite
Q. Convert the following from hexadecimal to binary, decimal, BCD and octal. a) 111 b) ABC.25 c) 2.C Q. Convert the following from BCD to binary, decimal, hexadecimal an
How to calculate the flowchart
Disadvantages of MPI Performance is restricted by communication network between the nodes It can be harder to debug Needs more programming changes to go from seri
Q. Explain Logical shifts with example? Logical shifts LOGICAL SHIFT LEFT and LOGICAL SHIFT RIGHT insert zeros to end bit position and other bits of a word are shifted left or
Array is a pointer-to-pointer-to-int: at the first level, it points to a block of pointers, one for each row. That first-level pointer is the first one we allocate; it has nrows e
The term addressing mode is a technique of stating the input and output of an instruction; it is termed the effective address. There are 6 effective addresses in the 68HC11 set of
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