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QUIZ2
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1995-02-15
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QUIZ 2:
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1. Name the PC's basic addressable segments? _____, _____, _____, _____,
_____, _____, _____, _____, _____, _____, _____, _____, _____, _____,
_____, _____.
2. Which segments are always dynamic RAM? From _____ to _____.
3. Which segments are video RAM? _____ and _____.
4. How many characters on a text mode video line? _____ How many attributes
on a text mode video line? _____.
5. What is the attribute byte value in binary for medium red characters on a
medium white background? __ __ __ __ __ __ __ __.
6. Which attribute bit sets the foreground intensity? ___.
7. Can the normal background color be set to high intensity? Yes ___ No ___.
(This is a tough question!)
8. Which attribute bit causes the character to blink? ____.
9. What does the +LS tell the A86 Assembler to do? ________________________
________________________________________________________________________.
10. Does curson need to be called in DEMO3.ASM before returning to the DOS>
prompt? _____. Why or why not? _______________________________________.
11. When creating source code using EDLIN.COM, when do upper case letters
and lower case letters make a difference? ______________________________.
(Think about this one!)
12. Can you use decimal, hex and binary on the same line of source code? ___.
If so, how would you write line 100: using 100 decimal, 100h, 10000000b?
100: ___________________________________________________________________
13. How many functions does Lesson2 discuss for int 16H? _____.
What do they do? _______________________________________________________
________________________________________________________________________
________________________________________________________________________
14. What value does mov ah,0 - int 16h return in ax when Ctrl UpArrow are
pressed? ____. Shift Backspace? ____. Alt Down Arrow? ____.
15. What text mode video address in decimal to you use to display an ASCII
zero terminated string on line 17 of the video display? __________.
16. What values do you type on the keypad to display a single width
horizontal line? ___ ___ ___.
17. Using the instructions mov ah,1 - int 16h what condition is necessary
to jump to nopress? __________________________________.
18. Using the instruction mov ah,2 - int 16h which bit of the returned al
register must be 1 to indicate that CapsLock is 'on'? ______________.
19. What values do you type on the keypad to display a double width
horizontal line? ___ ___ ___.
20. Is this lesson going too fast for a week's study? _____ Too slow? _____[.
Just right? _____.