Answer:
The challenge of cost control
The challenge of competence
The challenge of reduced system delivery times.
Explanation:The Challenge of Cost control is a major challenge affecting the software engineering in the 21st century,the cost of Microchips and other hardware are constantly rising.
The challenge of competence is another major challenge affecting software engineering in the 21st century,as most software engineers lack the required competence to handle some of the issues facing softwares.
The challenge of reduced system delivery times is a major challenge likely to affect software engineering in the 21st century,as people required the software to be available in the shortest possible time.
Answer:
4 is the valency of carbon
because it has 4 valence electrons
hope it helps
Answer:
Library Functions: Library functions are the ones which are predefined functions.
Explanation:
Library Functions must be used along with the appropriate header files .
Header files contains the signature of library functions.
Using these functions it reduces the time of the programmer .
List of some library Functions:(in C Language)
- printf()
- scanf()
- sqrt()
- strcpy()
- strcmp()
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