Questions with Answers on Character Representation

1. How many bits are used for an ASCII character representation?
2. What are both the binary and hexadecimal representations for the characters:
   A. R
   01010010, 0x52
   B. :
   00111010, 0x3a
   C. 8
   00111000, 0x38
   D. the NULL character used in C
   00000000, 0x00
3. What ASCII character is represented by
   A. 0x44 D
   B. 0x7b {
   C. 0x26 &
4. A computer is executing a C program that does

   
       char X;
       X = '(' + '1';
       printf("%c", X);
   
   

   What character is printed out? Y

   Explanation: The character ( is 40 (decimal). The character 1 is 49 (decimal). They sum to 89, which is the ASCII character Y.