TRB exam online practice test for Computer Science and Engineering dept provides you with ample practice material for TRB exam preparation for cse department which adheres to the real exam format. Each TRB - CSE exam practice test has 10 questions. After completing click on to the COMPLETE TEST to know the score and the correct answers.


Computer Science and Engineering - TRB Online Practice Test - 3

  • Online Practice Test - CSE
   

1.
  A combinational logic circuit that selects binary information from one of many input lines and directs it to a single output line. This circuit is called.
  • A.   Decoder
  •  
  • B.   De multiplexer
  •  
  • C.   Multiplexer
  •  
  • D.   Encoder
  Options: A    B    C    D   
   
 
   

2.
  The equivalent decimal number for the binary number (0.001101) is:.
  • A.   0.203125
  •  
  • B.   0.206875
  •  
  • C.   0.20625
  •  
  • D.   0.208125
  Options: A    B    C    D   
   
   

3.
  The address mapping done, When the program initially loaded is called:.
  • A.   Dynamic relocation
  •  
  • B.   Memory allocation
  •  
  • C.   Dynamic as well as static relocation
  •  
  • D.   Static relocation
  Options: A    B    C    D   
   
 
   

4.
  How many permutations of the letters ABCDEFGH contain the string ABC?.
  • A.   3!
  •  
  • B.   6!
  •  
  • C.   7!
  •  
  • D.   8!
  Options: A    B    C    D   
   
   

5.
  How many edges are there in a graph with ten vertices each of degree size?.
  • A.   e = 30
  •  
  • B.   e = 60
  •  
  • C.   e = 20
  •  
  • D.   e = 10
  Options: A    B    C    D   
   
 
   

6.
  Equivalent relation algebra expression for the SQL query 'Select A1, A2, sum(A3) from r1, r2 where P group by A1, A2' is :.
  • A.   A1 , A2 , A3 ( πA1 , A2(P(r1 x r2)))
  •  
  • B.   A1 , A2 G sum(A3) (πA1 , A2(σP(r1 x r2)))
  •  
  • C.   A1 , A2 (πA1, A2(P(r1 x r2)))
  •  
  • D.   A1 , A2 ( πA3 (P(r1 x r2)))
  Options: A    B    C    D   
   
   

7.
  Average access time for a file of b Block is b/2 when,
a) File is unordered and linear search is performed
b) File is ordered and linear search is performed
c) File is ordered and binary search is performed.
  • A.   (a) and (b)
  •  
  • B.   (a) and (c)
  •  
  • C.   (b) and (c)
  •  
  • D.   (a),(b) and (c)
  Options: A    B    C    D   
   
 
   

8.
  RED stands for.
  • A.   Random End Detection
  •  
  • B.   Rear End Detection
  •  
  • C.   Read End Delay
  •  
  • D.   Random Early Detection
  Options: A    B    C    D   
   
   

9.
  FTP uses ---------------------- for control connection.
  • A.   Port 21
  •  
  • B.   Port 32
  •  
  • C.   Port 40
  •  
  • D.   Port 42
  Options: A    B    C    D   
   
 
   

10.
  Which of these is not a protocol?.
  • A.   SMPT
  •  
  • B.   SMPT
  •  
  • C.   POP3
  •  
  • D.   MIME
  Options: A    B    C    D   
   

Complete Test
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