Transient operating system code is a code that a) stays in the memory always b) never enters the memory space c) comes and goes as needed d) is not easily accessible

The following elements are always present in the RAM of any operating system:

There is a distinction between user instructions and administrator instructions.

Embedded and general-purpose computers have various uses. Unlike PCs, embedded devices can only run one program. Embedded systems are unprogrammable. Embedded systems are runtime-constrained, whereas general-purpose systems demand quicker processing.