RAID level ________ has thelowest disk overhead(费用) of all RAID types.
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The advantages of register addressing are that only a small address field is needed in the instruction and ________memory references are required.
A. no
B. one
C. two
D. three
Vector and array processors fall into the ________ category of computer systems.
A. SIMD
B. SISD
C. MISD
D. MIMD
The _________ cycle occurs at the beginning of each instruction cycle and causes an instruction to be fetched from memory.
A. execute
B. indirect
C. fetch
D. interrupt
A single micro-operation generally involves which of the following?
A. a transfer between registers
B. a transfer between a register and an external bus
C. a simple ALU operation
D. all of the above