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How a pointer variable declared in C ? Why is it sometimes desirable to pass a pointer to a function as an argument?
A pointer is a variable which contains the address in memory of another variable. We can have a pointer to any variable type.
To declare a pointer to a variable do:
int *ip;
This declaration looks like our earlier declarations, with one obvious difference: that asterisk. The asterisk means that ip, the variable we're declaring, is not of type int, but rather of type pointer-to-int. (Another way of looking at it is that *ip, which as we'll see is the value pointed to by ip, will be an int.)
The unary or monadic operator & gives the ''address of a variable''.
The indirection or dereference operator * gives the ''contents of an object pointed to by a pointer''.
Determine the synchronization of bits The synchronization provided by use of start and stop bits, an extra bit known as a parity bit may optionally be transmitted along with th
Which TTL logic gate is used for wired ANDing ? Ans. Open collector output, TTL logic gate is used.
#example of cascading rollback#
How the at-user command serves mainly in lists? The AT USER-COMMAND event serves mostly to handle own function codes. In this case, you should make an individual interface wit
Q. Write short notes on proton - proton fusion in sun. Proton - Proton cycle 1 H 1 + 1 H 1 → 1 H 2 + 1 e 0 + ν (emission of positron as well as neutrino) 1
Design a 1-bit full adder: Verify your design Use the 1-bit full adder to build a 4-bit adder with Ci=0 Verify: 1 + 4, and 9 + 9 Sram design: Cell: p - 0.5/0.045;
third partial product of 13*11 in binary
Examples of artificial neural networks: Now here as an example consider a ANN that has been trained to learn the following rule categorising the brightness of 2x2 black and wh
Software Development Life Cycle (SDLC):- SDLC (System Development Life Cycle) is a well-defined process by which a system is conceived developed and implemented. In other sense a S
Define underflow and overflow. Underflow: If the result the arithmetic operation including n-bit numbers is too small to show by n-bits, underflow is said to occur. Overflow
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