1. Direct execution refers to running a program directly on the CPU True or Fals

Question

1. Direct execution refers to running a program directly on the CPU
True or False
2. Allows the kernel to carefully expose certain key pieces of functionality to user program?
A. User mode B. System call C. Kernel mode D. Trap 1. Direct execution refers to running a program directly on the CPU
True or False
2. Allows the kernel to carefully expose certain key pieces of functionality to user program?
A. User mode B. System call C. Kernel mode D. Trap
True or False
2. Allows the kernel to carefully expose certain key pieces of functionality to user program?
A. User mode B. System call C. Kernel mode D. Trap

Explanation / Answer

Question 1

Answer

True

Explanation

TO make a program run as fast as poosible then the way is to run the program directly on the CPU.So when the program needs to run the operating system will just create a entry for the process and the give some memory space so that it can run.

Question 2

Answer

System Call

Explanation

System Call allows the kernel to carefully expose certain key pieces of functionality to user program.The functionality like creating a new process,checking the files,destroy a process and so on.

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