Digital Logic
Q93.
Fig. below shows the circuit diagram of a wien bridge oscillator using an op-amp.The frequency of oscillation is given by f= 1/2 \pi CR. To have the system oscillate the ratio R_{2}/R_{1} should beQ94.
Consider the circuit shown below. The output of a 2:1 Mux is given by the function (ac' + bc). Which of the following is true?Q95.
Consider the IEEE-754 single precision floating point numbers P=0xC1800000 and Q=0x3F5C2EF4. Which one of the following corresponds to the product of these numbers (i.e., P x Q), represented in the IEEE-754 single precision format?Q96.
Consider three floating point numbers A, B and C stored in registers R_A, R_B and R_C, respectively as per IEEE-754 single precision floating point format. The 32-bit content stored in these registers (in hexadecimal form) are as follows. R_A=0xC1400000R_B=0x42100000R_C=0x41400000 Which one of the following is FALSE?Q97.
A particular number is written as 132 in radix-4 representation. The same number in radix-5 representation is _____.Q98.
Let R1 and R2 be two 4-bit registers that store numbers in 2's complement form. For the operation R1+R2, which one of the following values of R1 and R2 gives an arithmetic overflow?Q99.
If the numerical value of a 2-byte unsigned integer on a little endian computer is 255 more than that on a big endian computer, which of the following choices represent(s) the unsigned integer on a little endian computer?[MSQ]Q100.
If x and y are two decimal digits and (0.1101)_2 = (0.8xy5)_{10}, the decimal value of x+y is ___________