I really think it A : pager
I hope this helps !!
"To preform specific useful computing tasks, like word processing and calculation" is the correct answer. This is the whole purpose of system software. The third answer is some other type of software(third party software?) and the fourth answer is most likely a compiler. Those are the easiest to take off. The second could also work.
The two answers I would go with are the first and the second.
B. Internet Telephony would be my best guess. I'm not that good with computers. Hope this Helps :-)
Answer:
biometrics
Explanation:
Voice and fingerprint <u>biometrics</u> can significantly improve the security of physical devices and provide stronger authentication for remote access or cloud services.