List of practice Questions

Which of these flip-flops cannot be used to construct a serial shift register?
How many AND gates are required to realize \( Y = CD + EF + G \)?
The purpose of an interrupt vector table is to _______.
How many times “Hi” message will be displayed when we execute the following for loop?
int i;
for(i=0;i%2==0;i++)}
printf("Hi \n");
The output of a JK flip-flop for inputs \( J=1, K=1 \) and clock transition from 1 to 0 is _______.
The IEEE 754 single-precision floating-point representation of 0.375 is _______.
In a hardwired control unit, the sequence of control signals is generated by _______.
In DMA mode, the CPU is bypassed for data transfer between _______.
A 4-way set-associative cache with 256 blocks divides memory addresses into _______.
An 8-bit number \( X \) is \( 00001100 \), then \( -X \) is in 1's complement is _______.
Assuming 5-bit addition is done on registers, the sum \( 12 + 7 \) leads to _______.
For a given graph G having \( v \) vertices and \( e \) edges which is connected and has no cycles, which of the following statements is true?
A man walks 10 meters towards the North, then turns right and walks 5 meters, then turns right again and walks 10 meters. In which direction is he now facing?

Ratio of time required for 99% completion vs 90% completion of a first order reaction is:

The amine which is most basic in gas phase is:
Which among the following is fibrous protein:
Which of the following amines will give most easily \(\mathrm{N}_2\) gas on treatment with \(\mathrm{NaNO}_2 + \mathrm{HCl}\) at 275 K:
Which of the following is a double salt:
Which of the following fluid has \(\mathrm{pH}<7\):
The coordination number and oxidation number of \(\mathrm{Cr}\) in \(\mathrm{K}\left[\mathrm{Cr}\left(\mathrm{H}_2\mathrm{O}\right)_2\left(\mathrm{C}_2\mathrm{O}_4\right)_2\right]\) are:
Electrophile used in Kolbe’s reaction is:
Schiff’s base is formed by the reaction of aldehyde with:
Denaturation of alcohol is done by the help of:
When benzene diazonium chloride is treated with ethanol, the product obtained is:
Optical isomerism is shown by: