CH 1 - Short Ans Flashcards
What was the hardware revolution that brought about desktop and handheld computing?
microprocessor
What is replacing the classic microprocessor in handheld devices?
system on a chip
What is the processing required for a single instruction called?
instruction cycle
Where is the fetched instruction loaded?
instruction register
What signal does the I/O module send to the processor when an external device is ready to accept more data?
interrupt request
What device stages the movement of data between main memory and processor registers?
cache
What is external, nonvolatile memory also referred to as?
secondary memory
What determines which cache location a new block of data will occupy?
mapping function
What type of multiprocessor allows all processors to perform the same functions?
symmetric
What type of computer combines two or more processors on a single piece of silicon?
multicore
What is the Control/Status register that contains the address of the next instruction to be fetched called?
program counter
What does each location in Main Memory contain that can be interpreted as either an instruction or data?
binary number
What is the special type of address register required for user visible stack addressing called?
stack pointer
What are registers used by system programs to optimize register use called?
user-visible registers
What is the concept of multiple programs taking turns in execution known as?
multiprogramming
