Why is it not necessary to return a variable from a function if the variable is declared as global?

A. You have to return all variables regardless of scope.
B. All functions can see and access global variables.
C. main() gets copies of global variables.
D. Each function gets its own copy of global variables.


B. All functions can see and access global variables.

Computer Science & Information Technology

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The indent of selected text can be increased by clicking the ________ button

Fill in the blank(s) with correct word

Computer Science & Information Technology

Match the following protocols with their descriptions

1. IP a. resolves the IP address to the physical address 2. ICMP b. used for multicasting 3. IGMP c. used by network devices to send messages for troubleshooting 4. ARP d. puts the source and destination IP addresses in the packet

Computer Science & Information Technology

Requesting which of these will deter attorneys from communicating with an investigator solely for the purpose of disqualifying that investigator?

a. A case list b. A retainer c. A juror list d. certification

Computer Science & Information Technology

Scaling a random number as an integer value between 1 and N is accomplished using the expression ____.

A. 1 + (int)rand() / N B. 1 + (int)rand() % N C. (int)rand() / N D. (int)rand() % N

Computer Science & Information Technology