P16. The assembly command ACALL is limited to how many address lines?a) 8b) 11c) 16d) 2017. When the EFM8BB1 acknowledges an interrupt, to which of the following ROM addressesdoes it most likely go?a) 0000Hb) 0013Hc) 0100Hd) AFFF3H18. After the following code executes, what value remains in the B register?MOV B, #128MOV A, #2MUL ABa) EFHb) EE H8DO01802DJPort 1(Out37c) 01HFMa) all rows b) all columns728 A6427%159M7XX8d) 00HF D CAmAA03 02 01 DOwwmwwwwwwPort 2On)Figure 2: Matrix Keyboard Connection to Ports of C19. To detect a key press in the keyboard matrix shown in Figure 2, which of the following isgrounded?Vecc) one row at a timed) both a and c

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16. The assembly command ACALL is limited to how many address lines a) 8 b) 11 c) 16 d) 20 17. When the EFM8BB1 acknowledges an interrupt, to which of the following ROM addresses does it most likely go? a) 0000H b) 0013H c) 0100H d) AFFF3H 18. After the following code executes, what value remains in the B register? MOV B, #128 MOV A, #2 MUL AB a) EFH b) EE H c) 01H d) 00H

16. The assembly command ACALL is limited to how many address lines a) 8 b) 11 c) 16 d) 20 17. When the EFM8BB1 acknowledges an interrupt, to which of the following ROM addresses does it most likely go? a) 0000H b) 0013H c) 0100H d) AFFF3H 18. After the following code executes, what value remains in the B register? MOV B, #128 MOV A, #2 MUL AB a) EFH b) EE H c) 01H d) 00H

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter11: Operating Systems

Section: Chapter Questions

Problem 22VE

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