Wednesday, June 13, 2007
CAN SOMEONE HELP ME WITH THESE TWO QNS?!
I STILL CAN'T GET THE ANSWER AND I FORGOT HOW TO DO IT THE "WENGKEE" METHOD. OMG!
Calculate the time spent in the DELAY subroutine shown. A 12 MHz crystal is used.
DELAY: MOV R1,#02H
D: MOV R2,#03H
E: DJNZ R2,E
DJNZ R1,D
RET
(A) 15 us
(B) 21 us
(C) 27 us
(D) 30 us
Calculate the time spent in the DELAY subroutine shown. A 12 MHz crystal is used.
DELAY: MOV R1,#03H
D: MOV R2,#02H
E: DJNZ R2,E
DJNZ R1,D
RET
(a) 15 us
(b) 24 us
(c) 27 us
(d) 30 us
BOTTLED 10:09 PM l
0 Bottle(s)