超星 - Fourth homework - 查题吧

单选题

Virtually all contemporary computer designs are based on concepts developed by __________ at the Institute for Advanced Studies, Princeton.

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

单选题

There must be ________ instructions for moving data between memory and the registers.

A. branch
B. logic
C. memory
D. I/O

单选题

Suppose the length of two’s complement is 5 bits, which arithmetic operation brings OVERFLOW?

A. 5+8
B. (-8)+(-8)
C. 4-(-12)
D. 15-7

单选题

In the simplest instruction processing form, it consists of two cycles: _____________.

A. fetch and indirect
B. fetch and execute
C. indirect and execute
D. fetch and interrupt

判断题

In MESI protocol, a write miss occurs in the local cache. After initiating CPU writes the data, the snooping cache’s state is invalid.

A. 对
B. 错

判断题

One drawback of complement representation is that there are two representations of 0.

A. 对
B. 错

判断题

The SSDs now on the market use a type of semiconductor memory referred to as ROM memory.

A. 对
B. 错

判断题

In memory system, there are four access methods. Disk is random access.

A. 对
B. 错

判断题

The worst factor to limit instruction pipeline is the conditional branch instruction.

A. 对
B. 错

判断题

On address mapping of cache, the data in any block of main memory can be mapped to any line of cache, it is direct mapping.

A. 对
B. 错

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