What did the strict study generally find about the effect of internet use on sleep?

a. teens who use the internet and phone after bedtime have a variety of sleep problems.
b. sleep is unaffected by internet use, as long as it is on a personal computer.
c. teens sleep better with their phone at their side.
d. younger teens tend to spend more time on internet devices.

Consider a byte-addressable computer with 16mb of main memory, a cache capable of storing a total of 64kb of data and block size of 32 bytes. (a) how many bits in the memory address? (b) how many blocks are in the cache? (c) specify the format of the memory address, including names and sizes, when the cache is: 1. direct-mapped 2. 4-way set associative 3. fully associative

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )

Which excel file extension stores automated steps for repetitive tasks?