Digital Electronics - Digital Arithmetic Operations and Circuits

Exercise : Digital Arithmetic Operations and Circuits - General Questions
1.
For a 4-bit parallel adder, if the carry-in is connected to a logical HIGH, the result is:
the same as if the carry-in is tied LOW since the least significant carry-in is ignored.
that carry-out will always be HIGH.
a one will be added to the final result.
the carry-out is ignored.
Explanation:
No answer description is available. Let's discuss.

2.
What is the first thing you will need if you are going to use a macrofunction?
A complicated design project
An experienced design engineer
Good documentation
Experience in HDL
Explanation:
No answer description is available. Let's discuss.

3.
Perform subtraction on each of the following binary numbers by taking the two's-complement of the number being subtracted and then adding it to the first number.
01001        01100
00011        00111
01100    10011
00110    00101
10110    10101
00111    00100
Explanation:
No answer description is available. Let's discuss.

4.
Solving –11 + (–2) will yield which two's-complement answer?
1110 1101
1111 1001
1111 0011
1110 1001
Explanation:
No answer description is available. Let's discuss.

5.
Multiply the following binary numbers.
 1010 1011 1001 ×0011 ×0111 ×1010
0001  1110    0100  1101    0101  1011
0001  1110    0100  1100    0101  1010
0001  1110    0100  1101    0101  1010
0001  1101    0100  1101    0101  1010