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Collection of Hack-Phreak Scene Programs
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cleanhpvac.zip
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cleanhpvac
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TUTOR.ZIP
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QUIZ1
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1995-01-25
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QUIZ 1 - LESSON 1:
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1. Name the 16 bit data registers: ________, ________, ________, ________.
2. Name the 8 bit data registers: ________, ________, ________, ________,
________, ________, ________, ________.
3. Name the segment registers: ________, ________, ________, ________.
4. What functions do the instructions: mov ax,3 - int 10h accomplish?
__________________________________________________________________.
5. What function does the instruction: mov ah,0 - int 16h accomplish?
__________________________________________________________________,
6. When the instruction: call cursof is called, where does the cursor go?
______________________________________________________________________.
7. What is the source code to exit a program and return to the DOS> prompt.
_______________________________________________________________________.
8. DEMO1.COM and DEMO2.COM leave the message on the screen when it returns
to the DOS> prompt. What 2 lines of source code would you add to the
program after the mov ah,0 int 16h instructions to remove the message?
_____________________________________________________________________.
9. How does DEMO1.COM and DEMO2.COM set the color of the message?
_____________________________________________________________.
10. When call curson is called, where does the cursor appear on video?
_________________________________________________________________.
11. How many bytes in a segment? Count from 1 up? ___________________.
Count from 0 up? ___________________.
12. How many bytes are in an interrupt address? _____________________.
13. What is the hex equivalent of 65535 decimal? ____________________.
14. What what is the hex equivalent of 1111 1111 1111 1111 binary? _________.
15. What is the decimal equivalent of 4000 hex? _____________________.
16. What is the hex equivalent of 61440 decimal? ____________________.
17. What is the binary value for 64 decimal? ________________________.
18. What is the decimal value 01100100 binary? ______________________.
19. What is the hex equivalent of 11001000 binary? __________________.
20. Did you find the quiz too hard? just right? too easy? ________________.
QUESTIONS FOR GRANDPA:
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