Electronics and Communication Engineering - Electronic Devices and Circuits

41.
The number of programmable 8 bit registers of 6800 are
2
3
4
5
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
The seven bit Hamming code received is 0010001. If even parity has been used, the correct code is
0010001
1110001
0110001
0011001
Answer: Option
Explanation:
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43.
When two 4 bit parallel adders are cascaded we get
4 bit parallel adder
8 bit parallel adder
16 bit parallel adder
none of the above
Answer: Option
Explanation:
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44.
Consider the following features:
  1. negative operands cannot be used
  2. when immediate operand changes, the program should be reassembled
  3. the program is difficult to read
  4. the size of operand is restricted by word length of the computer
Disadvantages of immediate addressing include
1 and 2
2 and 4
2 and 3
1 and 4
Answer: Option
Explanation:
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45.
Which binary addition is incorrect?
1101.1 + 1011.1 = 11001.0
101101 + 1101101 + 1100011
0.0011 + 0.1110 + 1.0001
1100.001 + 1011.011 = 10111.100
Answer: Option
Explanation:
No answer description is available. Let's discuss.