Instruction - Answer command that computer hardware understands and obeys
Input - Answer writes data to memory
output - Answer reads data from memory
datapath - Answer performs arithmetic computations
where data is transformed via computations like addition or subtraction
...
where data is transformed via computations like addition or subtraction
processor - Answer control + datapath
DRAM - Answer access time 50ns
most expensive / GB @ $5
capacity quadrupled / year until 1990s
2 chips - Answer iPad2 consists of how many chips?
2 ARM processors - Answer A5 package has chip containing ____ ____ ____.
ABI (Application Binary Interface) - Answer [the user portion of the instruction set + the OS interfaces]
defines standard for binary portability across computers
, used by application programmers
Implementation - Answer hardware that obeys the architecture abstraction
secondary memory - Answer memory layer used to store programs and data between runs
*nonvolatile*
ingot - Answer The chip manufacturing process starts with a silicon ______.
transistors, conductors, and insulators - Answer Blank wafers undergo 20 to 40 chemical processing
steps to create (3)
increases response time, decreases throughput - Answer Replacing a processor in a computer with a
faster processor has what effect? (2)
performance - Answer 1/execution time
User CPU Time - Answer The CPU time spent in a program itself.
aka CPU performance
CPU execution time - Answer Also called CPU time. The actual time the CPU spends computing for a
specific task.
*seconds for the program*
System CPU Time - Answer The CPU time spent in the operating system performing tasks on behalf of
the program.
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