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Read the following passage carefully and then choose the right word to complete the sentence that follows. Rockets are very expensive as it can be used only once. Appled scientists have therefore develped a reusable space craft called a space shuttle which takes off like a rocket; however, does no get destroyed as it returns to earth. It can also be used to lunch satellired into space, retrieve them from space if any repairing os required and allow around 8 scientists to crryout experiments in space. The space shuttle does not get.
Consider the following statements regarding modulation : 1. The communication systems, where a weak signal is transmitted by the use of a modulation is essential in carrier signal. 2. When the frequency of the high frequency signal is varied in accordance with the intensity of the low-frequency weak signal, the modulation is said to be frequency modulation. 3. The process of recovering original baseband signal from the modulated signal is called phase modulation. Which of the above statements are correct ? 
"It is now expected that the variable production cost per unit and the selling price per unit will each increase by 10%, and fixed production cost will rise by 25%. What will be the new break even point?
Selling price - Rs 6 per unit
Variable production cost - Rs 1.20 per unit
Variable selling cost - Rs 0.40 per unit
Fixed production cost - Rs 4 per unit
Fixed selling cost - Rs 0.80 per unit
Budgeted production and sales for the year are 10,000 units."
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All Matter is Space. Some Mass is Matter. Conclusions: A. All Mass is Space. B. Some Mass is Space. C. Some Space is Mass. D. All Space is Mass. E. All Matter is Mass.
Consider the following solution to the producer-consumer synchronization problem. The shared buffer size is ?. Three semaphores empty, full and mutex are defined with respective initial values of 0, ? and 1. Semaphore empty denotes the number of available slots in the buffer, for the consumer to read from. Semaphore denotes the number of available slots in the buffer, for the producer to write to. The placeholder variables, denoted by P, Q, R, and S, in the code below can be assigned either empty or full. The valid semaphore operations are: wait ( ) and signal ( ). Producer: Consumer: do {         wait (P) ;         wait (mutex) ;         //Add item to buffer         signal (mutex) ;         signal (Q) ; } while (1) ; do {          wait (R) ;          wait (mutex) ;          //Consume item from buffer          signal (mutex) ;          signal (S) ; } while (1) ;   Which one of the following assignments to P, Q, R and S will yield the correct solution?
A rectangular pulse train s(t) as shown in the figure is convolved with the signal cos2(4π × 103t). The convolved signal will be a
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A product 'A' comprises of 2 units of B and 3 units of C. Each unit of B requires 2 unit of D and one unit of E. Each unit of C needs 2 units of E and one unit of F. How many number of end units of E are required for producing 2 units of A ?
"How many units must be sold if company wants to achieve a profit of Rs 11,000 for the year?
Selling price - Rs 6 per unit
Variable production cost - Rs 1.20 per unit
Variable selling cost - Rs 0.40 per unit
Fixed production cost - Rs 4 per unit
Fixed selling cost - Rs 0.80 per unit
Budgeted production and sales for the year are 10,000 units."
Given below are four jumbled sentences. Pick the option that gives their correct order. A. "It's sort of cool to be on a ship but even more amazing is this Earth we live on," Williams remarked as she described life on a spaceship to eager kids. B. Williams, who is set to be one of the first to fly aboard Boeing's Starliner spacecraft in November 2019, was introduced at the festival by former NASA astronaut Mike Massimino. C. On Sept. 22, 2018 NASA astronaut Sunita Williams — a veteran of two long-duration spaceflights — talked to families and space enthusiasts about space travel. D. She was speaking at the Intrepid Air, Sea & Space Museum during the recent Space & Science Festival.
On March 29, 2013 a Russian Space Craft established a new record by reaching the International Space Station (ISS) in only 6 hours, while earlier the space crafts used to take two to three days to reach the ISS, Which is this space craft?