Articles

What does the root word pon mean?

What does the root word pon mean?

-pon- comes from Latin, where it has the meaning “put, place. ” It is related to the root -pos-. This meaning is found in such words as: component, exponent, opponent, postpone, proponent.

What root means lead or take?

The Latin root words duc and duct mean to ‘lead. ‘ Some common English vocabulary words that come from this root word include educate, reduce, produce, and product. Perhaps the best way to remember this root word is to think of someone who is educated, or has been ‘led’ forth into knowledge.

How do you handle interrupts?

Exception and interrupt handling

  1. Overview. When an exception or interrupt occurs, execution transition from user mode to kernel mode where the exception or interrupt is handled.
  2. Details.
  3. CPU context (CPU state)
  4. Saving context.
  5. Determine the cause.
  6. Handle the exception/interrupt.
  7. Select a process to resume.
  8. Restoring context.

What are the 8086 interrupt types?

The 8086 has two hardware interrupt pins, i.e. NMI and INTR. NMI is a non-maskable interrupt and INTR is a maskable interrupt having lower priority. One more interrupt pin associated is INTA called interrupt acknowledge.

What are the two types of interrupts in 8086?

TYPE 1 interrupt represents single-step execution during the debugging of a program. TYPE 2 interrupt represents non-maskable NMI interrupt. TYPE 3 interrupt represents break-point interrupt. TYPE 4 interrupt represents overflow interrupt.

What are the steps taken by 8086 when interrupt comes?

If an interrupt has been requested, the 8086 responds to the interrupt by stepping through the following series of major actions: 1) It decrements the stack pointer by 2 and pushes the flag register on the stack. 2) It disables the 8086 INTR interrupt input by clearing the interrupt flag in the flag register.

What are the steps when an interrupt occurs?

Answer. The sequence of steps that occurs during interrupt processing are: To disable single steps and INTR interupts the TF and IF are cleared. The program then jumps to the beginning or starting adsress of ISS.

Which register contains the 8086 flag?

8086 has 16-bit flag register, and there are 9 valid flag bits. The format of flag register is like below….Status Flags.

Flag Bit Function
Z If the total register is zero, then only the Z flag is set