In the earliest computers, switches were opened and closed by magnetic fields produced by energizing coils in relays. The switches, in turn, opened and closed the current paths.
Anonymous Quiz
91%
T
9%
F
- القسم العام
- الفرقة الأولى - الترم الثاني
- IS
- Calculus
- IT
- Probabilities
- Digital Logic Circuits
——
فــهــرس قــنــاة الأســئــلــة
فــهــرس مــاتــيــريــال التــرم
- الفرقة الأولى - الترم الثاني
- IS
- Calculus
- IT
- Probabilities
- Digital Logic Circuits
——
فــهــرس قــنــاة الأســئــلــة
فــهــرس مــاتــيــريــال التــرم
Minimize the following boolean function : F(A, B, C, D) = Σm(1 , 3 , 5, 7 , 9 ) + Σd(6 , 12 , 13 )
Anonymous Quiz
12%
A'D + C'D + C
66%
A'D + C'D
8%
A'D+CD+BD
14%
A'D + BC'D + D
simplify the boolean expression: A' B' C' D' + A C' D' + B' C D' + A' B C D + B C' D
Anonymous Quiz
52%
D' B' + C' D' A + B D A' + B D C'
18%
A'D + B C D + A' C' D'
24%
A C ' D' + B' C D' + A' B' C' + D' A
6%
D' A' + A' D' + B D C' + A C D
n variables can be combined to form .......... minterms
Anonymous Quiz
11%
n
71%
2^n
10%
n^2
8%
2^n-1
with integrated circuits it's the count of gates that determines the cost
Anonymous Quiz
50%
T
50%
F
uses only one full adder and a storage device to hold the generated output carry
Anonymous Quiz
67%
Serial addition
33%
Parallel method
the signal must propagate through the gates before the correct output sum is available in the output terminals
Anonymous Quiz
85%
T
15%
F
total propagation time = propagation delay times and number of gate levels in the circuit
Anonymous Quiz
86%
T
14%
F
A decimal adder requires a mnimum of .. inputs and .. outputs since .. bits are required to code each decimal digit
Anonymous Quiz
7%
5 - 9 - 4
23%
4 - 5 - 9
11%
9 - 4 - 5
59%
9 - 5 - 4
We obtain a non-valid BCD representation when the binary number is greater than ...
Anonymous Quiz
13%
1000
7%
0110
64%
1001
15%
1100
The circuit for comparing two n-bit numbers has ... entries in the truth table
Anonymous Quiz
13%
n
55%
2^n
8%
n^2
24%
n^2n