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ECET 330 Final Exam New 2016

ECET 330 Final Exam New 2016

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Author: Abraham Nolito
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. (TCO 1) Dynamic memory requires _____ that is not needed for other types of memory
2. (TCO 1) Main memory in virtually all computers contains how many data bits at each address?
3. (TCO 1) In a CPU with a 16-bit program counter, what is the maximum, directly accessible code space?
4. (TCO 2) Which of the following is correct for the “von Neumann” architecture?
5. (TCO 2) Operations performed by the Control Unit include
6. (TCO 2) What direction does data flow on a WRITE bus cycle?
7. (TCO 3) For the CodeWarrior assembler
8. (TCO 3) The “LDAB #$AA” is _____-byte instruction
9. (TCO 3) Which statement about CodeWarrior assembly language is true?
10. (TCO 3) Which of the following is wrong?
1. (TCO 4) What is the value in Accumulator B after the execution of the code below?

ORG $2000
XYZ DC.B 0, 1, 2, 4
ORG $8000
LDY #XYZ
LDAA #04
LDAB #02
BACK ADDB 0, Y
INY
DECA
BNE BACK
HERE BRA HERE
2. (TCO 5) The instruction “subb $100” will
3. (TCO 5) What will be the value in Accumulator A after the following program is executed?

ORG $2000
DATA1 DC.B $F8
ORG $8000
LDAA DATA1
LDAB #4
BACK LSLA
DECB
BNE BACK
HERE BRA HERE
4. (TCO 5) The MC9S12 instruction set has
5. (TCO 5) In the following program, what is the largest number that Register B can take?


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