Previous Question Paper for EKT Exam for Computer Engineering
Guys this is sample question paper for EKT exam for computer Branch you can use this as a
practice set, Questions asked in exam are not too tough regardless you know the basics of your field, just read out the maths basics: work on your aptitude well and prepare for your technical knowledge. luck also matters here as questions are objective base but don't try to attempt more questions by luck because negative marking is also there. Go and purchase a book from market for its preparation if you are serious enough, personally experienced that preparation portal don't have much info about EKT exams so its better to practice from a book.
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| Previous Question Paper for EKT exam |
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Q1. If sin x+(sin x) 2 =1, then
(a) cos x+(cos x) 2 =1
(b) cos x - (cos x) 2 =1
(c) (cos x) 2 - (cos x) =1
(d) (cos x) 2 + (cos x) 4 =1
Q2. Each edge of a cube is increased by 50%. The percentage increase in the surface area is
(a) 50
(b) 125
(c) 150
(d) 300
Q3. The value of log 4 + log 5 - log 2 is
(a) 1
(b) 7
(c) 10
(d) 9/2
Q4. The probability of drawing an ace or a spade or both from a deck of cards is
(a) 4/52
(b) 13/52
(c) 1/52
(d) 16/52
Q5. Let 0 be the angle between two vectors a and b, then cos 0 is equal to
(a) mod a + mod b
(b) (a )+ mod b
(c) mod (a+b)
(d) ab/[ mod a x mod b]
Q6. Pressure is
(a) scalar
(b) vector
(c) pseudo vector
(d) Poynting vector
Q7. The force of attraction or repulsion between charges follows
(a) square law
(b) inverse square law
(c) both (a) and (b)
(d) none of (a) and (b)
Q8. The force experienced by a conductor of length L carrying current I placed parallel to the magnetic field of flux density B is
(a) BIL
(b) Zero
(c) HIL
(d) IL/B
Q9. A wave undergoes reflection from a rigid boundary. One of its characteristic parameters that changes is
(a) frequency
(b) phase
(c) velocity
(d) wavelength
Q10. The half-life period of a radioactive element is 140 days . After 560 days one gram of the element will reduce to
(a) 1/2 g
(b) 1/4 g
(c) 1/8 g
(d) 1/16 g
Q11. Which projection shows the object from angles in which the scales along each axis of object are equal
(a) auxiliary projection
(b) isometric projection
(c) orthographic projection
(d) objective projection
Q12. In binary system the value (111)2 is equal to decimal
(a) (7)10
(b) (3)10
(c) (5)10
(d) (8)10
Q13. when o/p of a flip-flop is used as clock I/p for next flip-flop the counter is called
(a) ripple counter
(b) asynchronous counter
(c) both (a) and (b)
(d) synchronous counter
Q14. The octal equivalent of (10011 )2 is
(a) (32)8
(b) (52)8
(c) (23)8
(d) None of the above
Q15. Which of the following is used as storage locations both in the ALU and the control section of a computer?
(a) accumulator
(b) register
(c) adder
(d) decoder
Q16. The Central Processing Unit (CPU)Consists of:
(a) Input, output and processing units
(b) Control unit, primary storage, and secondary storage
(c) Control unit, arithmetic-logic unit, and primary storage
(d) Control Unit, processing, primary storage
Q17. If some device requires urgent service, normal execution of programs may sometimes be pre-empted using
(a) an interrupt signal
(b) a request to memory modules
(c) DMA
(d) all of the above
Q18. The fan-out capability of a digital building block can be defined as
(a) the number of inputs that one output can transmit to
(b) the amount of cooling required for fanning the hear out
(c) the number of inputs that can transmit to one input
(d) that the unit can scan
Q19. In computer terminology a compiler means
(a) a person who computes source programs
(b) the same thing as a programmer
(c) key punch operator
(d) a program which translates source program into object program.
Q20. The ascending order of a data Hierarchy is :
(a) bit - bytes - field - record - file - database
(b) bit - bytes - record - field - file - database
(c) bytes - bit - field - record - file - database
(d) bytes - bit - record - field - file - database
Q21. The processes at the most detailed level of the data flow diagrams are called
(a) transform descriptions
(b) functional primitives
(c) data flows
(d) interfaces
Q22. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
(a) hot potato routing
(b) flooding
(c) static routing
(d) delta routing
Q23. The action of parsing the source program into the proper syntactic classes is known as
(a) syntax analysis
(b) lexical analysis
(c) interpretation analysis
(d) general syntax analysis
Q24. An Interpreter is
(a) a program that places programs into memory and prepares them for execution
(b) a program that automates the translation of assembly language into machine language
(c) program that accepts a program written in a high level. language and produces an object program
(d) is a program that appears to execute a source program as if it were machine language
Q25. A system program that combines the separately compiled modules of a program into a form suitable for execution
(a) assembler
(b) linking loader
(c) cross compiler
(d) load and go
Q26. A required characteristic of an online real-time system is :
(a) more than one CPU
(b) offline batch processing
(c) no delay in processing
(d) all of the above
Q27. Banker's algorithm for resource allocation deals with
(a) deadlock prevention
(b) deadlock avoidance
(c) deadlock recovery
(d) mutual exclusion
Q28. Situations where two or more processes are reading or writing some shared data and the final result depends on who runs precisely when, are called
(a) race conditions
(b) critical sections
(c) mutual exclusions
(d) message passing
Q29. Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
(a) to be fair
(b) to balance resource utilization
(c) to obey priorities
(d) to be predictable
Q30. The master list of an indexed file
(a) is sorted in ascending order
(b) contains only a list of keys and record numbers
(c) has a number assigned to each record
(d) both (b) and (c)
Q31. In SQL, which command(s) is(are) used to recompile a stored function?
(a) SET FUNCTION
(b) SET STORED FUNCTION
(c) ALTER FUNCTION
(d) all of the above
Q32. Updating a database means
(a) revising the file structure
(b) reorganizing the database
(c) modifying or adding record occurrences
(d) all of the above
Q33. The relational model uses some unfamiliar terminology. A tuple is equivalent to a
(a) record
(b) field
(c) file
(d) database
Q34. What type of software is most useful in financial planning and calculation?
(a) graphics
(b) communication
(c) database
(d) spreadsheet
Q35. A channel for communicating across a boundary between two or more sub-systems is known as
(a) interface
(b) actigram
(c) walk through
(d) data path
Q36. System prototyping helps the designer in
(a) making the programmers understand how the system will function
(b) communicating to the user, quickly, how the system, when developed, will look and get a feedback
(c) giving a demo of the software, to the system manager to whom he reports
(d) both (a) and (b)
Q37. The physical layer, in reference to the OSI model, defines
(a) data link procedures that provide for the exchange of data via frames that can be sent and received
(b) the interface between the X.25 network and packet mode device
(c) the virtual circuit interface to packet-switched service
(d) all of the above
Q38. Which of the following device copies electrical signals from one Ethernet to another?
(a) bridge
(b) repeater
(c) hub
(d) passive hub
Q39. Which of the following TCP/IP protocol is used for transferring files from one machine to another?
(a) RARP
(b) ARP
(c) TCP
(d) FTP
Q40. What does the acronym ISDN stand for?
(a) Indian Standard Digital Network
(b) Integrated Services Digital Network
(c) Intelligent Services Digital Network
(d) Integrated Services Data Network
Q41. Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?
(a) 4
(b) 8
(c) 15
(d) 16
Q42. If you get both local and remote echoes, every character you type will appear on the screen
(a) once
(b) twice
(c) three times
(d) never
Q43. Voice signal frequency may lie anywhere between
(a) 0 to 20 KHz
(b) 0 to 1 MHz
(c) 15 Hz to 15 KHz
(d) none of these
Q44. PWM signal can be generated by
(a) a monostable multivibrator
(b) an astable multivibrator
(c) integrating PPM signal
(d) differentiating PPM signal
Q45. What part of the transformer is subjected to maximum heating
(a) core
(b) winding
(c) oil
(d) frame
Q46. The servo motor differs from ordinary motor in that it has
(a) low inertia & high torque
(b) high inertia & high torque
(c) low inertia & low torque
(d) high inertia & low torque
Q47. The speed of DC motor is
(a) always constant
(b) directly proportional to back emf
(c) directly proportional to flux
(d) inversely proportional to the product of back emf and flux
Q48. Negative feedback reduces in amplifiers
(a) signal
(b) amplification
(c) distortion
(d) none of the above
Q49. Whenever the two inputs are same the output is high for
(a) EX-OR
(b) EX-NOR
(c) NOR
(d) NAND
Q50. A hard disk is divided into tracks which are further subdivided into
(a) clusters
(b) sectors
(c) vectors
(d) heads
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Deepak Tomar
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