PEP/8 VIRTUAL COMPUTER CIS PART 2

Question 7

Instruction Specifier (Binary) :

Question 8

Meaning of Instruction :

	A) Stop Execution
	B)Load the operand into the A register
	C)Store the contents of the A register into the operand
	D)Add the operand to the A register
	E) Subtract the operand from the A register
	F) Character input to the operand
	G) Character output to the operand

Question 9

Addressing Mode:

	A) Immediate
	B) Direct

Question 10

Operand Specifier (2-byte word):

	A) 00 02
	B) 11
	C) AB CD
	D) 11 00
	E) C0

Question 11

Operand (2-byte word):

	A) 11
	B) 00 02
	C) AB CD
	D) E1
	E) 11 00

Question 12

Contents of RAM address 00 02 after execution (2-byte word) :

	A) 11
	B) 00 02
	C) AB CD
	D) E1
	E) 11 00

Question 13

Instruction Specifier (Binary) :

Question 14

Meaning of Instruction :

	Stop Execution
	Load the operand into the A register
	Store the contents of the A register into the operand
	Add the operand to the A register
	Subtract the operand from the A register
	Character input to the operand
	Character output to the operand

Question 15

Addressing Mode:

	Immediate
	Direct

Question 16

Operand Specifier (2-byte word):

	11 00
	AB CD
	C0
	11
	00 02

Question 17

Operand (2-byte word):

	11 00
	00 02
	11
	AB CD
	E1

Question 18

Contents of the A register after execution (2-byte word) :

	AB CF
	11 02
	00 02
	AB CD
	11 00

Question 19

Instruction Specifier (Binary) :

Question 20 (1 point)

Meaning of Instruction :

	Stop Execution
	Load the operand into the A register
	Store the contents of the A register into the operand
	Add the operand to the A register
	Subtract the operand from the A register
	Character input to the operand
	Character output to the operand

Question 21

Addressing Mode:

	Immediate
	Direct

Question 22

Operand Specifier (2-byte word):

	00 00
	00
	AB CD
	81
	00 01

Question 23

Operand (2-byte word):

	81
	00 00
	00 01
	00
	AB CD

Question 24

Contents of the A register after execution (2-byte word) :

	AB CC
	00 00
	00 01
	AB CD

Information Given the following Pep/8 virtual computer state of memory (in hexadecimal) RAM Address Content 0000 00 0001 01 0002 11 0003 00 0004 and the machine instruction E 100 02. Note: When the instruction is executed, Reg A contains the value AB CD