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Octal Number System With Question and Answer

Category: Computer | View: 8


Question 1->What could be the maximum value of a single digit in an octal number system?
(A) 8
(B) 7
(C) 6
(D) 5
      
Answer : 7

Question 2->The maximum number of bits sufficient to represent an octal number in binary is _______
(A) 4
(B) 8
(C) 3
(D) 7
      
Answer : 3

Question 3->The binary number 111 in octal format is ________________
(A) 6
(B) 7
(C) 8
(D) 5
      
Answer : 7

Question 4->Convert (22)8 into its corresponding decimal number.
(A) 28
(B) 18
(C) 81
(D) 82
      
Answer : 18

Question 5->The octal equivalent of the binary number (0010010100)2 is ______________
(A) 422
(B) 242
(C) 224
(D) 226
      
Answer : 224

Question 6->Octal subtraction of (232)8 from (417)8 will give ______________
(A) 165
(B) 185
(C) 815
(D) 516
      
Answer : 165

Question 7->The 1 s complement of 0.101 is _________________
(A) 1.010
(B) 0.010
(C) 0.101
(D) 1.101
      
Answer : 1.010

Question 8->Convert (5401)8 to hexadecimal.
(A) A01
(B) A02
(C) B01
(D) C01
      
Answer : B01

Question 9->Express the decimal format of the signed binary number (10010)2
(A) 2
(B) -12
(C) 12
(D) -2
      
Answer : -2

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