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What is meant by opening a data file
A data file is a file that can be read from or written to. Data files are particularly useful when large amounts of data are involved. Each line of a data file is called a record. The following is the first few records of the file ospots.dat (a file containing the total number of sunspots observed in a year during the years 1850-1975):
1850 66.6
1851 64.5
1852 54.1
1853 39.0
1854 20.6
To read from or write to a data file during the execution of a program, the file must first be opened with the function "fopen". This function takes two arguments - the first one is the path to your file, including the filename. So if your file sits in the same directory as your C source file, you can simply enter the filename in here . The second argument is another char *, and determines how the file is opened by your program. Finally, fopen returns a FILE pointer if the file was opened successfully, else it returns NULL.
Why does DMA have priority over the CPU when both request a memory transfer? The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included o
HCP
Conclusion - artificial intelligence : If we can determine what the exactly state of the world will be after an agent's action, so we can say the environment is deterministic.
Greedy Search - artificial intelligence: If we have a heuristic function for states, defined as above, so we can simply measure each state with respect to this measure and ord
Q. Illustrate Memory Read operation? Memory unit receives the address from a register known as the memory address register designated by MAR. Data is transferred to another re
Differentiate between linear addressing and matrix addressing modes with examples. Ans: Linear Addressing: Addressing is the procedure of selecting one of the cells in a
Q. Describe the Graphic Accelerators? A Graphic Accelerator is actually a chip as a matter of fact most significant chip in your video card. The Graphic Accelerator is essentia
Canvas is a component. ScrollPanel is a container. Canvas is a rectangular area where the application can draw or trap input events. ScrollPane executes horizontal and vertical scr
Unions allow the same area of memory to be accessed as different data types. The insurance example above would not work. Unions are useful (often in embedded programming) when i
Minimisation using Boolean algebra is not always straight forward and sometimes it is not obvious if a further manipulation would give a simpler circuit. Karnaugh maps are a muc
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