Quark Previous Years Solved Sample Placement Papers
- A 2MB PCM (pulse code modulation) has:
(a) 32 channels
(b) 30 voice channels & 1 signalling channel
(c) 31 voice channels & 1 signalling channel (Ans)
(d) 32 channels out of which 30 voice channels, 1 signalling channel, & 1 Synchronization channel - Time taken for 1 satellite hop in voice communication is:
(a) 1/2 second (Ans)
(b) 1 second
(c) 4 seconds
(d) 2 seconds - A dishonest shopkeeper professes to sell pulses at the cost price but uses a false weight of 950 gm for a kg. His gain is ...%.
- Max number of satellite hops allowed in voice communication is:
(a) only one
(b) more than one
(c) two hops (Ans)
(d) four hops - When a 'C' function call is made, the order in which parameters passed to the function are pushed into the stack is:
(a) left to right
(b) right to left (Ans)
(c) bigger variables are moved first than the smaller variables
(d) smaller variables are moved first than the bigger ones
(e) none of the above - What is the type of signalling used between two exchanges?
(a) inband (Ans)
(b) common channel signaling
(c) any of the above
(d) none of the above - Buffering is:
(a) the process of temporarily storing the data to allow for small variation in device speeds (Ans)
(b) a method to reduce cross talks
(c) storage of data within transmitting medium until the receiver is ready to receive
(d) a method to reduce routing overhead - Memory allocation of variables declared in a program is:
(a) allocated in RAM
(b) allocated in ROM
(c) allocated on stack (Ans)
(d) assigned to registers - A software that allows a personal computer to pretend as a computer terminal is:
(a) terminal adapter
(b) bulletin board
(c) modem
(d) terminal emulation (Ans) - Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?
(A) Supertype entity
(B) Subtype entity
(C) Archetype entity
(D) Instance entity
Ans: C
- You have a bucket of jelly beans. Some are red, some are blue, and some green. With your eyes closed, pick out 2 of a like color. How many do you have to grab to be sure you have 2 of the same?
(A) 2
(B) 4
(C) 5
(D) 6
Ans: B
- There is an escalator, and 2 persons move down it. A takes 50 steps and B takes 75 steps while the escalator is moving down. Given that the time taken by A to take 1 step is equal to the time taken by B to take 3 steps, find the number of steps in the escalator while stationary.
Ans: Solve using relative speed and time.
- If I walk with 30 miles/hr, I reach 1 hour early, and if I walk with 20 miles/hr, I reach 1 hour late. Find the distance between two points and the speed needed to reach exactly at 11 am.
Ans: 120 miles and 24 miles/hr
- At a certain moment, a watch shows a 2-minute lag, although it is fast. If it showed a 3-minute lag at that moment but gained 1/2 minute more a day than it does, it would show the true time one day sooner than it usually does. How many minutes does the watch gain per day?
(A) 2
(B) 5
(C) 6
(D) 4
(E) 7.5
Ans: E
HCL Technical Questions
- What is an advantage of placing computations in SQL views?
(A) To save users from having to write an expression.
(B) To ensure that the results are consistent.
(C) To accomplish both of the above.
(D) None of the above is correct - computations cannot be placed in a view.
Ans: C
- The XSLT processor copies the elements of the stylesheet until it finds a command in the format:
(A) SELECT ... FROM ... WHERE.
(B) {item, action}.
(C) {for-each select}.
(D) ...<\HTML>.
Ans: B