This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is polled I/O and what is its major characteristic? A) Each individual I/O device is checked ... (Read 26 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
on: Jul 28, 2018
What is polled I/O and what is its major characteristic?
 
  A) Each individual I/O device is checked sequentially on a regular basis to see if it needs to be serviced. This speeds up the I/O process.
  B) Individual I/O devices regularly send inquiries to the CPU to see if it is available for a specific I/O operation; if the CPU is available, the I/O device then proceeds to carry out its operation.
  C) Each individual I/O device is checked sequentially on a regular basis to see if it needs to be serviced. This slows down the CPU operation.
  D) Each individual I/O device is serviced sequentially on a regular basis. This speeds up the I/O process.

Question 2

What is an advantage of MOSFET's over BJT's in power applications?
 
  A) BJT's have lower on resistance
  B) MOSFETs have lower on resistance
  C) MOSFETs are somewhat immune to thermal runaway
  D) both a and c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

maya.nigrin17@yahoo.com

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


D2AR0N

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 28, 2018
TY


maya.nigrin17@yahoo.com

  • Sr. Member
  • ****
  • Posts: 324
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Diagram of a flagellate stramenopile cell, showing characteristic flagellar hairs. Diagram of a flagellate stramenopile cell, showing characteristic flagellar hairs.
Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
The major arteries of the body. The major arteries of the body.
Major Events in the History of Psychology (6 of 6) Major Events in the History of Psychology (6 of 6)
Diagnosis for Major Depression Diagnosis for Major Depression
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library