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Explain the use of structures with pointers
C permits a pointer to a structure variable. In fact a pointer to a structure is same to a pointer to any other variable. The pointer points to the first element of the structure. A structure can have members which points to a structure variable of the similar type; such structures are known as self-referential structures and widely used in dynamic data structures like trees, linked list etc.
Why do we need DMA? DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor.
Why a function canot have delays? However in Open Vera, delays are allowed in function. A function returns a value and hence can be used as a part of any expression. This doesn
What is a FIFO? FIFO is otherwise known as 'named pipes'. FIFO (first-in-first-out) is a particular file which is said to be data transient. Once data is read from named pipe,
What is the difference between Leave Transaction and Call Transaction? In contrast to LEAVE TO TRANSACTION, the CALL TRANSACTION statement causes the system to start a new SAP
CIDR stands for? CIDR stands here for Classless Inter Domain Routing.
Circuits can be designed to implement a specifictaske.g. a simple circuit could compare two inputvoltages and give a high output if they matched anda low output if they did not mat
Q. Explain about 4-bit adder-subtractor circuit? Subtraction operation on binary numbers can be obtained by succession of addition operations only it implies that to achieve su
Q. Illustrate Left shift register with parallel load? A register that shifts data in one direction only is known as Uni-directional shift register and a register that can shift
Categorize the CPU scheduling algorithms? The various CPU scheduling algorithms are categorized as given below:
What are the different methods of passing data? There are three different methods of passing data Calling by reference Calling by value Calling by value and result
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