assembly language + LMC language

Question 1

assembly languages…

Answer 1

substituted binary code with mnemonics

Question 2

assembly language is directly translated into binary machine code by an _________

Answer 2

assembler

Question 3

mnemonic: ADD

Answer 3

instruction: add

Question 4

mnemonic: SUB

Answer 4

instruction: subtract

Question 5

mnemonic: STA

Answer 5

instruction: store

Question 6

mnemonic: LDA

Answer 6

instruction: load

Question 7

mnemonic: BRA

Answer 7

instruction: branch always

Question 8

mnemonic: BRZ

Answer 8

instruction: branch if zero

Question 9

mnemonic: BRP

Answer 9

instruction: branch if positive

Question 10

mnemonic: INP

Answer 10

instruction: input

Question 11

mnemonic: OUT

Answer 11

instruction: output

Question 12

mnemonic: HLT

Answer 12

instruction: end program

Question 13

mnemonic: DAT

Answer 13

instruction: data location

Question 14

operand
000
^
opcode

Answer 14

instruction register holds opcode: first digit
address register holds operand: second and third digits

Question 15

LMC - pc and accumulator limits

Answer 15

pc holds only two digits: 0 to 99
accumulator holds three digits and a sign: -999 to 999