Answer: True
Explanation: yes, it is true that egrep can accept multiple filenames as input arguments for example egrep -r "text1/text2", so this will search in all the sub directories . E grep is also known as 'grep -E' which belongs to the group of grep function and we used egrep to separate multiple patterns for OR conditions. This is also very less time consuming if you are going to search multiple input arguments in multiple different logs at the same time.
Keyboard and mouse are input/output
Webcam and microphone are audio/visual
Histograms resemble bar graphs the most.
Answer:
Software reuse is the technique through which updating the software system through the already defined components or assets of the software.This helps in increasing the productivity ,cost decrement , quality improvement etc.
But in actual case, the software reuse still persist high cost due to modification of inflexible designing of software .It also costs more than expected for the maintenance and training of software.
The security of the software is always at risk because of the usual and advanced hacking and attacking by the hackers even when the protect of software is high.Thus, these statements verify that the benefits of cost and security of software is not actually realized.
