Question

15. Virus cannot infect files that are saved in i. USB ii. CD-ROMs iii. Memory card iv. All of them​

Answer 1

Answer:

all of them

Explanation:

but Virus can infect them if u plug them in infected computer .

Answer 2

Answer: CD Roms.  Virses can infect each other item by actually writing to the device.  For CD Roms, you must have a special writer program to write to the ROM.  

Explanation: