260. A program segment is given below :1.MVI A, 2 BH,2.OUT 24 H,3.MV! A, 86 H,4.OUT 25 H (I)What is the terminal count in decimal form?
A.1579
B.1681
C.1881
D.2014
261. What kind of signal does the times produce?
A. single pulse
B. square wave
C. continuous pulse
D. no signal
262. An 8156 has A15 connected to its CE input. A14 to Ag are unconnected, and AD7 to AD0 are connected. Ignoring shadows, what are the RAM locations?
A. 4000 H-40 FFH
B. 8000 H ? 80 FFH
C. 8000 F? 40 HHF
D. Any of the above
263. If all bubbles are removed, what are the new RAM locations
A. 8000 H ?83 FFH
B. 80 AAH ?80 FFH
C. FFOOH ?FFFFH
D. none of the above
264. What is the percent resolution of a 12 bit BCD D/A converter?
A.0.02%
B.0.02%
C.0.10%
D.0.10%
265. What is the least change in output voltage of 12 bit binary D/A converter using 12 V reference supply voltage.
A.0.12
B.0.00293
C.0.0293
D.0.012 V
266. Which byte of an instruction is loaded into IR register?
A. First
B. Last
C. None of these
D. (a) and (b)
Page 38 of 56