1. name the device used for grading tests 2. how many maximum characters can be stored on a magnetic stripe
3. name the device used to capture handwritten signatures
4. name the several types of touch screens
5. what is the other name of a drum plotter
6. name the plotter having the lowest cost
7. name the different types of storage devices used in computers

Someone with this coz i don’t really know what i can choose, just pick whatever u want. homework - you need to choose a website that you like or use frequently. you must visit the website and discuss 6 different features/parts/aspects of the website that you think makes it good. (100 words)

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?

Font size, font style, and are all aspects of character formatting.