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ECET 330 Final Exam v1

ECET 330 Final Exam v1

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Author: Abraham Nolito
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http://www.devrygenius.com/product/ecet-330-final-exam-v1

1.

Question :

(TCO 1) Which type of memory has RAS and CAS pins?

Student Answer:

SRAM

UV-EPROM

Flash

DRAM

None

Comments:

Question 2.

Question :

(TCO 1) Which of the following is volatile memory?

Student Answer:

ROM

RAM

Flash

All of the above

None of the above

Comments:

Question 3.

Question :

(TCO 1) A given CPU has an 18-bit address bus. How much memory space does it have?

Student Answer:

16K bits

256K bytes

512K bytes

64Gbytes

Comments:

Question 4.

Question :

(TCO 2) Which bus is bidirectional?

Student Answer:

Address

Data

Control

All of the above

None of the above

Comments:

Question 5.

Question :

(TCO 2) Which bus carries memory contents?

Student Answer:

Data bus

Address bus

Control bus

None of the above

Comments:

Question 6.

Question :

(TCO 2) The address bus is __________.

Student Answer:

bidirectional

unidirectional

able to be programmed to be either bidirectional or unidirectional

None of the above

Comments:

Question 7.

Question :

(TCO 3) In the HCS12, as we pull value from stack, the SP is

Student Answer:

incremented.

decremented.

not going to change.

None

Comments:

Question 8.

Question :

(TCO 3) Find the value of Register A for the following program.

LDAA #$55
EORA #$AA

Student Answer:

A = $00

A = $FF

A = $7F

None

Comments:

Question 9.

Question :

(TCO 3) Which of the following is wrong?

Student Answer:

LDAA #$55

LDAA #$255

LDAA #$20

LDAA #$00

Comments:

Question 10.

Question :

(TCO 3) The largest value (in decimal) that can be loaded into Register A of HCS12 is

Student Answer:

8.

255.

65535.

16.

1.

Question :

(TCO 4) What addressing mode is used for the instruction, INX?

Student Answer:

Direct

Indexed

Inherent

Immediate

None of the above

Comments:

Question 2.

Question :

(TCO 5) Where is the address of the next instruction after the JSR instruction saved it?

Student Answer:

Stack

SP Register

PC Register

X Register

Comments:

Question 3.

Question :

(TCO 5) After the execution of the following code, the value in Register D is:

LDAA #$55
LDAB #$AA
ANDA #$F0
ORAB #$F0

Student Answer:

$55AA.

$AA55.

$FA50.

$50FA.

$F055.

Comments:

Question 4.

Question :

(TCO 5) Which bit is used to indicate the sign of an eight-bit signed number?

Student Answer:

D0

D6

D7

D1

Comments:

Question 5.

Question :

(TCO 5) In the following program, what is the largest number that Register X can take?

L1 CLRA
NOP
NOP
DEX 
BNE L1

Student Answer:

0

0xFFFF

0x100000

0x9999

Comments:


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