What is accomplished by the following code snippet, assuming all variables had been populated?
amount_owed += duration rate

O Amount owed is set to duration times rate.
O Amount owed adds duration times rate to it.
O Amount owed is displayed to a user as duration rate.
O This line would return a syntax error.

Which of the following “invisible” marks represents an inserted tab?

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?

If a client wants to make minor edits, what should he/she use?