Jack wants to save his powerpoint file electronically. he should store his file in:
a. cd-rom
b. floppy disk drive
c. usb
d. hard disk

C. USB

Explanation:

A USB Disk allows for a Backup of the PowerPoint file in case Jack needs it in the future.

a variable of array type holds a reference of object

array are commonly used in computer program to organize data so that a related set of values

array are using zero base indexing it start with 0.

all component of array have same type, two different types doesn't use in single array

if array are store 10 quantities its index value varies from 0 to 9.

it stores 1st quantity value in index value 0 and this process will same till index value 9.