Computer Science Thesis Pdf 120283 | Computer Instructor Trb Exam Model Question Paper 1

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                                                Padasalai
            ADHITHYA TRB- TET COACHING CENTRE  KANCHIPURAM 
                                                                                                    
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                                    SUNDER  MATRIC SCHOOL  - 9786851468  
            PG  - TRB                 COMPUTER  SCIENCE                          TEST  - 23     
                 
                               Digital Electronics  “Number System” 
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          1.    Any signed negative binary number is recognised by its 
                a)     MSB                            b)     LSB 
                c)     Bits                           d)     Nibble 
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          2.    The parameter through which 16 distinct values can be represented is known as: 
                a)     Bit                            b)     Byte 
                c)     Nibble                         d)     Word 
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          3.    If the decimal number is a fraction then its binary equivalent is obtained by ________ 
                the number continuously by 2. 
                a)      Dividing                      b)     Multiplying 
                c)     Adding                         d)      Subtracting 
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          4.    The representation of octal number (532.2)8 in decimal is : 
                a)     (346.25)10                     b)     (532.864)10 
                c)     (340.67)10                     d)     (531.668)10 
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          5.    The decimal equivalent of the binary number (1011.011)2 is 
                a)     (11.375)10                     b)     (10.123)10 
                c)     (11.175)10                     d)     (9.23)10 
          6.    An important drawback of binary system is 
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                a)     It requires very large string of 1’s and 0’s to represent a decimal number3 
                b)     It requires sparingly small string of 1’s and 0’s to represent a decimal number 
                c)     It requires large string of 1’s and small string of 0’s to represent a decimal 
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                       number 
                d)     None of the Mentioned 
          7.    The decimal equivalent of the octal number (645)8 is ______ 
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                a)     (450)10                        b)      (451)10 
                c)     (421)10                        d)     (501)10 
          8.    The largest two digit hexadecimal number is _____ 
                a)      (FE)16                        b)      (FD)16 
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                c)     (FF)16                         d)     (EF)16 
          9.    Representation of hexadecimal number (6DE)H in decimal : 
                a) 6 * 162 + 13 * 161 + 14 * 160      b)     6 * 162 + 12 * 161 + 13 * 160 
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                c) 6 * 162 + 11 * 161 + 14 * 160      d)     6 * 162 + 14 * 161 + 15 * 160 
          10.   The quantity of double word is 
                a)     16 bits                        b)     32 bits 
                c)      64 bits                       d)     8 bits 
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          11.   The given hexadecimal number (1E.53)16 is equivalent to 
                a)     (35.684)8                      b)     (36.246)8 
                c)     (34.340)8                      d)     (35.599)8 
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                     AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
           
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                                                       Padasalai
                    
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            12.    The octal number (651.124)8 is equivalent to ______ 
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                   a)      (1A9.2A)16                          b)      (1B0.10)16 
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                   c)     (1A8.A3)16                           d)      (1B0.B0)16 
            13.    The octal equivalent of the decimal number (417)10 is _____ 
                   a)     (641)8                               b)       (619)8 
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                   c)      (640)8                              d)      (598)8 
            14.    Convert the hexadecimal number (1E2)16 to decimal: 
                   a)     480                                  b)      483 
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                   c)     482                                  d)      484 
            15.    (170)10 is equivalent to 
                   a)     (FD)16                               b)      (DF)16 
                   c)     (AA)16                               d)      (AF)16 
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            16.    Convert (214)8 into decimal: 
                   a)     (140)10                              b)      (141)10 
                   c)     (142)10                              d)      (130)10 
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            17.    Convert (0.345)10 into an octal number: 
                   a)     (0.16050)8                           b)       (0.26050)8 
                   c)     (0.19450)8                           d)       (0.24040)8 
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            18.    Convert the binary number (01011.1011)2 into decimal: 
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                   a)     (11.6875)10                          b)      (11.5874)10 
                   c)     (10.9876)10                          d)      (10.7893)10 
            19.    Octal to binary conversion: (24)8 = ? 
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                   a)     (111101)2                            b)      (010100)2 
                   c)     (111100)2                            d)      (101010)2 
            20.    Convert binary to octal: (110110001010)2 = ? 
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                   a)     (5512)8                              b)      (6612)8 
                   c)     (4532)8                              d)      (6745)8 
             
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            ANSWERE KEY 
             1-   A    2-  C     3-  B     4- A      5-  A     6- A     7-  C     8- C      9- A      10- B  
             11-  B   12-   A   13-  A    14-  C    15-  C    16-  A    17-  B    18-  A   19-  C    20-  B 
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                        AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
             
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                         Padasalai
      
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           AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
      
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                  Padasalai
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...Padasalai adhithya trb tet coaching centre kanchipuram www net sunder matric school pg computer science test digital electronics number system any signed negative binary is recognised by its a msb b lsb c bits d nibble the parameter through which distinct values can be represented known as bit byte word if decimal fraction then equivalent obtained continuously dividing multiplying adding subtracting representation of octal in an important drawback it requires very large string s and to represent sparingly small none mentioned largest two digit hexadecimal fe fd ff ef de h quantity double given e aadhithya kancheepuram convert df aa af into conversion padasa...
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