Which statement is true about OS types? a. single-user/single-tasking OS is the most commonly used modern OS

b. multiple users cannot run a single task at the same time on any type of OS

c. real-time OSes are a subtype of single-user/single-tasking OS

d. multi users OSes cannot support multitasking

Which type of computing device is best suited to having a digital pen as an input device? a. personal computer b. personal digital assistant c. smart television d. laptop e. mobile phone

Assume that you have an array of integers named a. which of these code segments print the same results? int i = 1; while(i < a. length) { system. out. println(a[i]); i++; } int i; for (i = 0; i < a. length; i++) { system. out. println(a[i]); } for (int i : a) { system. out. println(i); } i and ii only ii and iii only i and iii only all three print the same results. all three print different results.

Your boss wants you to configure his laptop so that he can access the company network when he is on the road. you suggest a vpn connection to him. he is very concerned about security and asks you how secure vpn is. what do you tell him?