question: it provides frequency settings ranging from 8 hz to 48 hz, and bitrates ranging from 5 kbps to 192 kbps.
Capitalize this past sentence correctly.
A: It provides frequency settings ranging from 8 Hz to 48 Hz, and bitrates ranging from 5 kbps to 192 kbps.

question: its technology developed out of what previously had been the cutting-edge technology of the telephone and telegraph industries and the electrical equipment industries.
Capitalize this past sentence correctly.
A: Its technology developed out of what previously had been the cutting-edge technology of the telephone and telegraph industries and the electrical equipment industries.

question: clicking new images when the memory is almost full on sandisk micro sd card can possibly lead to loss of media files
Capitalize this past sentence correctly.
A: Clicking new images when the memory is almost full on SanDisk Micro SD card can possibly lead to loss of media files