Test about computer architecture P4

To check your knowledge, the following article Network Administrator will send you a series of tests on computer architecture.

Question 1. For signed integers, 8 bits, use the 'Offset Code 2' method, the representation value of 81 is:
1. 0101 0001
2. 0000 1100
3. 0000 1110
4. 0100 1010
Question 2. There is a representation of '1111 1101' for signed integers, 8 bits, using the 'Offset Code 2' method, its value is:
1. Does not exist
2. - 3
3. 3
4. 253
Question 3. For numbers with accents, addition on the computer gives false results when:
1. Add two positive numbers, give negative results
2. Add two negative numbers, giving positive results
3. Have to remember out of the highest bit
4. Both a and b
Question 4. Strip of unsigned integers, n bits in the computer are:
1. 0 -> 2.n
2. 0 -> 2.n - 1
3. 0 -> 2n - 1
4. 0 -> 2n
Question 5. Determine the value of signed integers represented by offset code two: A = 11011011
1. 35
2. -35
3. -37
4. 37
Question 6. Perform the addition of two unsigned integers: 71 + 25
1. 01100000
2. 01010000
3. 10100000
4. 01101000
Question 7. Add 2 integers with the following signs: -71 + (+25)
1. 00101110
2. 01011100
3. 01101110
4. 01011101
Question 8. Why is memory hierarchy?
1. For ease of management
2. To reduce costs when designing
3. To reduce the time to read data of the CPU
4. Both the a, b, c are correct
Sentence 9. Subtract 2 signed integers: 80 - 58
1. 100110110
2. 101010110
3. 100010110
4. 100011110
Question 10. Perform multiplication 2 signed integers: 12 x 11
1. 10000100
2. 11000100
3. 11000010
4. 10001001