Which of the following statements are true? Select all that apply Select 3 correct answer(s) 4 One way to pass parameters to a system call is to put its parameters in a block in memory and pass the address of this block in a processor register Application Program Interfaces (APIs) can be accessed via system calls In order to process system calls, a switch from user mode to kernel mode has to occur Division by zero and unauthorized memory accesses can cause software interrupts

The amount of computer instructions required for each source-level statement is calculated using this function.

Q1: Write an Assembly language program that allows the user to enter a number and prints the factors of a number. Note: o Assume the number less than 10. o Use a loop instruction. SEA emulator screen (80x25 chars) Enter a number: 8 The factors are: 1 2 4 8 SEH emulator screen (80x25 chars) Enter a number: 5 The factors are: 1 5

In this variable, the number of source-level statements and the number of I/O operations are both kept track of.

201. Program execution services use to a. Control Program b. Delete Program c. Execute Program d. Update Programs