Consider this program: cost1 = input(" enter the first expense: ") cost2 = input(" enter the second expense: ") print("your total for both expenses was", cost1 + cost2) if the user inputs “10” for the first expense and “20” for the second expense, what will the interpreter show in the final line when this program is run? if this result in not what the programmer intended, how would you explain what went wrong?

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Consider a direct-mapped cache with 216 words in main memory. the cache has 16 blocks of 8 words each. it is a word-addressable computer (rather than a byte-addressable computer which we normally discuss). (a) how many blocks of main memory are there? (b) what is the format of a memory address as seen by the cache, that is, what are the sizes of the tag, cache block, and block offset fields (if they apply)? (c) to which cache block will the memory reference db6316 map?

Match the following. 1. show grouping of word processing tasks that can be performed quick access toolbar 2. shortcut location for commonly used elements scroll bars 3. organized commands used to modify documents ribbon 4. used to align and measure content in a word screen zoom bar 5. vertical and horizontal bars that are used to navigate through a document contextual tabs 6. displays the name of the document in use ruler 7. allows users to enlarge or shrink a visual of a word document title bar