Languages-Assembly Language [3i Infotech Placement]: Sample Questions 16 - 18 of 51

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Question 16

Assembly Language

Question

MCQ▾

The status of the Kernel is

Choices

Choice (4)

a.

not defined.

b.

task

c.

process

d.

Question does not provide sufficient data or is vague

Answer

c.

Explanation

Defined Place of Kernel
  • The status of the Kernel is process.
  • The operator enters a DISPLAY OMVS command to display the status of the kernel and processes.
  • The operator enters the DISPLAY TRACE, COMP = SYSOMVS command to display the status of the kernel trace.
  • A shell user enters the PS command or the PS ISHELL command to display the status of the user՚s processes.
  • A superuser enters the PS command or the PS ISHELL command to display the status of all processes.

Question 17

Assembly Language
Edit

Write in Short

Short Answer▾

What is a program counter? What is its use?

Explanation

  • Program counter register contains the address of the instruction after currently executing instruction.
  • As instructions get fetched- program counter increases its stored value by .
  • Program counter pointes to the next instruction in the sequence.
  • It speeds up the execution of a task.

Question 18

Assembly Language
Edit

Write in Short

Short Answer▾

What is flag, bus?

Explanation

Flag

  • Flag is nothing but the resister of bit, it is also
  • Referred as program status word.
  • Which gives the status of the resister after performing the operation?

BUS

  • Bus is nothing but the group or collection of wires.
  • Used for the data transmission in the applications.

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