NAME:


Note: total points on paper is 20, total on computer is 20 also.


(1) Base systems.  Perform the indicated conversion.  Show your work.
2 points each.


(1a) Convert 98 decimal to binary.





(1b) Convert 98 decimal to hexadecimal.





(1c) Convert 10010110 to decimal.





(1d) Convert 10010110 to hexadecimal.







(2) What is the final value printed by the following assembly code?
Show your work for what changes are made to registers and memory, and 
circle the final value printed.
4 points.

setmem 95 2013
load 1 95
setmem 96 2011
load 2 95
setmem 97 2
load 3 97
add 1 2
div 1 3
div 1 3
div 1 3
store 1 97
print 97
halt


















(3) What is the final value printed by the following C code.  Keep track of 
what the values are of the variables as the code executes, and circle the 
value that is printed in the end.
4 points.

// usual #include and int main stuff... inside of main is...
int x = 13;
int y;
int z;

y = 3;
if (x / y == 4) 
  z = 1;
else
  z = 0;

y = 2;
if (x / y <= 4)
  z = z + 1;

x = x / y;

printf("x=%d, y=%d\n", x, y);














(4a) Make a table of pros versus cons for memory versus hard drive.  List as 
many as you can remember.
3 points.














(4b) If you were the richest person alive and wanted the absolute fastest 
computer processing, would you use memory, hard drive, or both in your 
system?  Why?
1 point.