COMPUTER SYSTEM ARCHITECTURE MCQS PART 31

COMPUTER SYSTEM ARCHITECTURE MCQS PART 31

1. A code in which the total number of 1s in a valid (n+1)bit code word is odd and this code is called an__________:
a. Error detecting code
b. Even parity code
c. Odd parity code
d. None of t
Answer C

2. a code is simply a subset of the vertices of the_____:
a. n bit
b. n cube
c. n single
d. n double 
Answer  B
3. Which method is used to detect double errors and pinpoint erroneous bits:   
a. Even parity method          
b. Odd parity method
 c. Check sum method          
d. All of these 
Answer C
4. A code that is used to correct error is called an_________:
a. Error detecting code
b. Error correcting code 
c. Both
d. None of these
Answer B

5. A received ___________with a bit error will be closer to the originally transmitted code word than to any other code word:
a. Code word       
b. Non code word    
c. Decoding     
d. All of these
Answer B
6. Which code word was originally transmitted to produce a received word is called:
a. Non code word    
b. Code word    
c. Decoding     
d. None of these
Answer C

7. The hardware that does this is an ________:
a. Error detecting decoder            
b. Error correcting decoder
c. Both                 
d. None of these
Answer B

8. Hamming codes was developed in __________:
a. 1953              
b. 1950            
c. 1945             
d. 1956
Answer B

9. ____________ between two code words is defined as the number of bits that must be changed for one code to another:
a. Hamming codes
b. Hamming distance
c. Both
d. None of these
Answer B

10. It is actually a method for constructing codes with a minimum distance of ____:
a. 2         
b. 4       
c. 3             
d. 5
Answer C