Classic Computer Magazine Archive ANTIC VOL. 2, NO. 4 / JULY 1983

Computer Quiz


1. The number of colors available in Graphics Mode 5 is:

    (a) 5 (b) 4 (c) 6 (d) 3 (e) none of these

2. A written Atari program is checking the status of a joystick. A returned value of 15 means that the joystick is being pushed in:

   (a) an upward direction    (b) a downward direction    (c) an upper, leftward direction    (d) a rightward direction    (e) none of the above

3. When recording programs on tape, you should have fewer than ? seconds of leader.

    (a) 5 (b) 7 (c) 9 (d) 11 (e) none of these

4. A floating-point number consists of:

   (a) mantissa and fraction    (b) mantissa and exponent    (c) fraction and floating point    (d) exponent and characteristic    (e) none of the above

5. What value is returned to memory location 53279 if the START button is pressed?

    (a) 1 (b) 3 (c) 5 (d) 1 (e)none of these

6. Which of the following is TRUE? (For the ATARI)

    (a) FOR/NEXT loops will run slower, the farther down they are located in a program
    (b) Although REM statements are ignored, they do take up memory space
    (c) All data values in DATA statements must be read at least once
    (d) two of the above
    (e) all of the above
    (f) none of the above

7. In Atari Assembler, which status flag is NOT effected by the ADC mnemonic?

    (a) N (b) V (c) Z (d) C (e) none of the these

8. What letter does the following BINARY REPRESENTATION identify?


    (a) A (b) E (c) B (d) R (e) none of these

9. On the ATARI, the frequency value 204 is the same as which natural musical note?

    (a) C# (b) D# (c) C (d) D (e) none of these

10: LOAD is to SAVE as ENTER is to:

   (a) LIST (b) STORE (c) RUN (d) PEEK (e) none of these

11. In the ATARI, the BASIC command POP:

    (a) produces a short, snapping sound effect
    (b)causes BASIC to forget the most recent RETURN location
    (c) causes a program interruption
    (d) is always stored in a variable named COKE$
    (e) none of the above

12. On the ATARI, the screen must be OPENED for which Statement?

    (a) GET (b) INPUT (c) PEEK (d) SEARCH (e) none of these

13. Microminiature integrated circuitry was a feature introduced in WHAT generation of computers?

    (a) 1st (b)2nd (c) 3rd (d) 4th (3) none of these

14. How many registers in the ATARI will indicate collisions?

    (a) 4 (b) 5 (c) 15 (d) none of these

15. The POKEY chip is responsible for:

    (a) converting POT resistances into numbers
    (b) keeping track of executed POKE stntements
    (c) tallying the number of scan lines
    (d) monitoring selected capacitors
    (e) none of the above

16. Suppose an ATARI system was delivered with 40K RAM. With the BASIC cartridge installed, and using Graphics Mode 0 (zero), but with no disk or interface, how much memory is available?

    (a) 34899 Bytes (b) 35899 bytes (c) 36894 bytes (d)37893 bytes (e) none of these

17. The maximum number of TEXT LINES possible on the ATARI is:

    (a) 20 (b) 22 (c) 24 (d) 26 (e) none of these

18. Direct reference, indirect reference, base/displacement and indexing are ways to perform:

    (a) computer arithmetic
    (b) word organination
    (c) memory accessing
    (d) all of the above
    (e) none of the above

19. Which of the following will generate random integers between 10 and 100 inclusive?

    (a) 10 X = INT(RND(0) *100 +1)-10
    (b) 10 X = INT(RND(0) *100 + l)-(RND(0)*10 + 1)
    (c) 10 X = INT(RND(0) * 90 + 1) + 10
    (d) 10 X = INT(RND(0) * 91 + 1) + 9
    (e) none of the above

20. Based on the ATASCII Character Set, the character "+" has a HEX equivalent of:

    (a) 2A (b) 3B (c) 2C (d) 23 (e) none of these

21. Loop iteration and address modification use which of the following concepts?

    (a) Base/displacement
    (b) Indirect addressing
    (c) Direct addressing
    (d) Indexing
    (e) none of the above

22. In an Atari BASIC program is the statement: 10 DIM TEN(7). The number of addressable elements that TEN has is:

    (a) variable (b) 7 (c) 8 (d) 10 (e) none of these

23. An IF statement that would check to see if BOTH the firing buttons of the two left-most joysticks are being pressed (and stop if they are) would be:

    (a) 10 IF STRIG(1)= 0 AND STRIG(2) = 0 THEN STOP
    (b) 10 IF STRIG(1)= 1 AND STRIG(2) = 1 THEN STOP
    (c) 10 IF STRIG(0)= 0 AND STRIG(1) = 0 THEN STOP
    (d) 10 IF STRIG(0)= 1 AND STRIG(1) = 1 THEN STOP
    (e) none of these

24. There are two different kinds of interrupts with a 6502 CPU. They are:

    (a) NMI ann IRQ (b) NIM and IRQ (c) MNI and IRQ (d)MNI and IRQ (e) none of these

25. In the Atari, 32767:

    (a) is the largest addressable memory location
    (b) is the largest BASIC statement line numher possible
    (c) is the value found in memory location 53257 after a collision has been detected
    (d) is the starting address of user memory
    (e) none of the above