Answer:disk caching
Explanation:
Disk caching speeds up hard drive performance
Based on the given description above, the planet that is being described would be planet EARTH. It is the only planet where humans can walk without the aid of a space suit, and the only planet that can provide humans the necessary oxygen to survive. Hope this answers that question.
Answer:
4 bits are required. 4 bits can represent 16 different values (2*2*2*2 or ). 3 bits can only represent 8 different values. In the general case n bits can represent values, or correspondingly m values can be represented by bits.
