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An operating system uses the Banker’s algorithm for deadlock avoidance when managing the allocation of three resource types X, Y, and Z to three processes P0, P1, and P2. The table given below presents the current system state. Here, the Allocation matrix shows the current number of resources of each type allocated to each process and the Max matrix shows the maximum number of resources of each type required by each process during its execution.   Allocation Max   X Y Z X Y Z P0 0 0 1 8 4 3 P1 3 2 0 6 2 0 P2 2 1 1 3 3 3   There are 3 units of type X, 2 units of type Y and 2 units of type Z still available. The system is currently in a safe state. Consider the following independent requests for additional resources in the current state: REQ1: P0 requests 0 units of X, 0 units of Y and 2 units of Z REQ2: P1 requests 2 units of X, 0 units of Y and 0 units of Z Which one of the following is TRUE?
The rate of electricity in the rural area is given below: i) up to 25 units - Rs 5 per unit ii) up to 75 units - Rs 7 per units iii) up to 100 units - Rs 9 per units iv) After 100 units - Rs 13 per units Additional charge after 100 units = Rs. 50 The consumption of the electricity of the household is 120 units. How much electricity bill he has to pay?
Raw material purchased:
1st January, 600 units @ Rs. 12 per unit
12th January, 500 units @ Rs. 14 per unit
21st January, 300 units @ Rs. 13 per unit
Raw material issued for manufacture:
3rd January 300 units
5th January 124 units
15th January 250 units
16th January 300 units
Raw material returned to stores from manufacturing department on 14th January, 50 units. The material is issued on First-in-First out method.
The value of material remaining in store on 21st January will be:
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): In Gunn effect, when electric field is varied from zero to a threshold value the drift velocity decreases. Reason (R): Beyond the threshold electric field, if the electric field is increased, the drift velocity is decreased and the diode exhibits negative resistance. In the light of the above statement, choose the most appropriate answer from the options given below:
Find the mobility of the electrons when the drift velocity is 23 units and the electric field is 11 units.
In a semiconductor it is observed that three-quarters of the current is carried by electrons and one quarters by holes. If the drift speed is three times that of the holes, what is the ratio of electrons to holes?
Velocity of a man is 25 units in the positive X direction and 75 units in negative Y direction starting from the origin. Velocity of a woman is 25 units in the positive Y direction and 75 units in the negative X direction starting from the origin. What is the relative velocity of the man with respect to the woman?
Velocity of a dog is 15 units in the positive X direction and 3 units in positive Y direction starting from the origin. Velocity of a pig is 7 units in the positive Y direction and 17 units in the positive X direction starting from the origin. What is the relative velocity of the dog with respect to the pig?
"Calculate the value of closing stock from the following according to FIFO method:
1st January, 20XX: Opening balance: 50 units @ Rs 4

Receipts:
5th January, 20XX: 100 units @ Rs 5
12th January, 20XX: 200 units @ Rs 4.50

Issues:
2nd January, 20XX: 30 units
18th January, 20XX: 150 units"
"Calculate the value of closing stock from the following according to LIFO method:
1st January, 20XX: Opening balance: 50 units @ Rs 4

Receipts:
5th January, 20XX: 100 units @ Rs 5
12th January, 20XX: 200 units @ Rs 4.50

Issues:
2nd January, 20XX: 30 units
18th January, 20XX: 150 units"