Software
program
a computer program
Yes. App is short for application and is another term for a computer program.
A computer program is a series of instructions for a computer, and 'instructions' could be used to describe a program in relevant context, as also could 'computer code'.
a program that is stored in the memory of the computer that executes it
malware
Another term for a computer program is software.
Peripheral equipment is the general term for external equipment used with a computer. This includes external hard drives, mice, drawing tablets, and touchscreens.
A patch is a string of code that fixes a glitch or hole in a computer program.
Generally speaking, devices that connect to a computer are peripherals.
The instructions for a computer are called programs.
Some modern computer systems, such as the iMac, incorporate the program system and observe into a single system. In this case, the observe is part of the program system. While notebooks also have built-in shows, they are not called program models, since the term only represents personal computer systems.