C952 Final Set. Computer Architecture. Exam Review. Rated A+. VERIFIED.

C952 Final Set. Computer Architecture. Exam Review. Rated A+. VERIFIED. Instruction - -command that computer hardware understands and obeys Input - -writes data to memory output - -reads data from memory datapath - -performs arithmetic computations where data is transformed via computations like addition or subtraction processor - -control + datapath DRAM - -access time 50ns most expensive / GB @ $5 capacity quadrupled / year until 1990s 2 chips - -iPad2 consists of how many chips? 2 ARM processors - -A5 package has chip containing ____ ____ ____. ABI (Application Binary Interface) - -[the user portion of the instruction set + the OS interfaces] defines standard for binary portability across computers used by application programmers Implementation - -hardware that obeys the architecture abstraction secondary memory - -memory layer used to store programs and data between runs *nonvolatile*