Blog

A machine has a memory of 256 frames, with each frame being 4K (2^12) bytes. Current free-frame list is: 0x19, 0xC2, 0x75, 0xE8, 0x2F, 0x0C, 0x96, 0xDF, 0xE0, 0xD1, 0xC4, and 0x0A (this means hex notation). You just scheduled a process that requires 10 frames. Write the resulting page table. Show the translation of logical address 0x53D7 and 0x4BAA into physical addresses using your page table. 

What is the key characteristic of hydrogen bonding in water molecules? 

The social determinants of health are currently an emphasis area for public health, but we are limited in our ability to change them. Which of the following was presented as a way in which we might be able to influence the social determinants of health?

What is the primary purpose of the Cre-Lox recombination system?

The following paragraph is an excerpt from the article, Evidence of Real-World Effectiveness of a Telephone Quitline for Smokers. The following paragraph makes it very clear that the quitline adheres to a particular theory. Which theory? “The participants were smokers who called the California Smokers’ Helpline, an ongoing statewide quitline operated by the University of California, San Diego, that provides free multilingual cessation services. A smoker’s readiness to quit is assessed when he or she first calls. Those who are not ready to quit within a week receive motivational materials; those who are ready receive self-help quitting materials and are also offered telephone counseling. This study recruited callers who said they were ready, wanted counseling, and gave consent to be evaluated [98.7 percent gave consent]. The evaluation design and consent procedure were approved by the university’s institutional review board.”

In the sodium-potassium pump, how many sodium (Na+) and potassium (K+) ions are moved during one cycle? 

In photosynthesis, what does Photosystem II do that is unique compared to other photosystems? 

What characterizes passive transport across a cell membrane? 

The removal of the long wavelength, low energy x-ray photons from the beam is the job of the:  

Quality assurance programs include: