Section 8.1
Review Questions
Architecture of the CSC-1, reprise
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What does the following notation mean?
answer...
that there are really 16 wires here, not just 1
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What do we call the data inputs to a mux?
answer...
ports
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What extra control wires does the PC register have that the others do not?
answer...
LD, INCR, CLR
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Which wire do you set, and to what value, to indicate that the memory
should read a word from its contents?
answer...
MA=1, WR=0
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How many wires connect the output of the IR to the input of MAR's mux?
And why this number?
answer...
12
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Which is the most significant bit?
IR-OUT15 IR-OUT0
answer...
IR-OUT15
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What is the F code for subtraction?
answer...
110
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Besides the data wires that go into the shifter, what other wires come
out of the ALU?
answer...
C, N, Z, V