registers 名词解释
A.an arithmetic/logic unit and a storage unit
B.a control unit and some registers
C.a control unit and an arithmetic/logic unit
D.some registers an arithmetic/logic unit
From the passage, electronic cash registers are not able to keep record of ______ .
A.when the goods were sold
B.the exact salesmen who sold the goods
C.what goods were sold
D.when the goods were returned to the suppliers
A.I/O device
B.CPU
C.Memory
D.Operating system
What will happen if the parking meter registers" time expired"?
A.The car will be pushed away by policemen.
B.The driver's license will be withdrawn.
C.The owner of the car will be fined.
D.The traffic wardens will drive the car away.
B.the location of the next instruction to be executeD
C.the operands of the instruction
D.operations
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