超星 - Fourth homework - 查题吧

单选题

All contemporary(当代的) computer designs are based on concepts developed by __________.

A. John Maulchy
B. John von Neumann
C. Herman Hollerit
D. John Eckert

单选题

.A __________ contains a permanent pattern of data that cannot be changed, is nonvolatile, and cannot have new data written into it.

A. RAM
B. SRAM
C. ROM
D. flash memory

单选题

The width of address bus determines __________.

A. word size
B. maximum memory capacity of system
C. carry data
D. control signal

单选题

A line includes a _________ that identifies which particular block is currently being stored.

A. Cache
B. hit
C. tag
D. locality

单选题

RAID level ________ has thelowest disk overhead(费用) of all RAID types.

A. 0
B. 1
C. 3
D. 5

单选题

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

单选题

Vector and array processors fall into the ________ category of computer systems.

A. SIMD
B. SISD
C. MISD
D. MIMD

单选题

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

单选题

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

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