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Coded Binary Numbers Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Coded Binary Numbers. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
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In a certain code, the symbol for 0 (zero) is * and for 1 is Δ. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be depicted using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is depicted as *
1 is depicted as Δ
2 is depicted as Δ*
3 is depicted as Δ Δ
4 is depicted as Δ** and so on.
Q 1 - Which of the following numbers will be represented by Δ**Δ*Δ?
Options :
Answer : B
Explanation
Δ**Δ*Δ Δ = (1001011)2
= 1 x 26 + 0 x 25 + 0 x 24 + 1 x 23 + 0 x 22 + 1 x 21 + l x 20 = 64 + 8 + 2 + l = 75
Go through the following information and answer the question carefully.
In a certain code, the symbol for 0 is * and for 1 is Δ. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be depicted using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
'0' is depicted as *
'1'is depicted as Δ
'2' is depicted as Δ*
'3' is depicted as ΔΔ
'4' is depicted as Δ** and so on
Q 2 - Which of the following will be the code for 82?
Options :
Answer : C
Explanation
Hence, code for 82 will be 1010010, ie
Δ*Δ**Δ*
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Symbols for 0 is < and for 1 is }. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be depicted using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
'0' is written as <
'1' is written as }
'2' is written as }<
'3' is written as }}
'4' is written as }<< and so on.
Q 3 - Which of the following will represent 39?
Options :
Answer : D
Explanation
= 100111 = }<<}}}
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In a certain code, the symbol for 0 is ) and for 1 is Δ. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be depicted using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is written as )
1 is written as Δ
2 is written as Δ)
3 is written as Δ Δ
4 is written as Δ) ) and so on.
Q 4 - Which will represent the value of (450x 45) ÷ 20.25 ÷ 100?
Options :
Answer : D
Explanation
(450 x 45) ÷ 20.25 ÷ 100 = 10
(10)10 = (1010)2 = Δ* Δ*
Go through the following question and answer accordingly.
In a certain code, the symbol for 0 (zero) is Δ and for 1 is *. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be written using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
'0' is depicted as Δ
'1' is depicted as *
'2' is depicted as *Δ
'3' is depicted as **
'4' is depicted as *Δ Δand so on.
Q 5 - Which of the following will represent 7 x (l + 4 ÷ 2)?
Options :
Answer : A
Explanation
7 x (1 + 4 ÷ 2) = 7 x (1 + 2) = 7 x 3 = 21
(21)10 = (10101)2 = *Δ*Δ*
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In a certain code, the symbol 0 is written as + and for 1 is *. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be written using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is written as +
1 is written as *
2 is written as *+
3 is written as **
4 is written as *++
Q 6 - Which of the following numbers will be represented by ++*++?
Options :
Answer : A
Explanation
The number is ++*++ = (00100)2 = (4)10
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In a certain code, the symbol for 0 is * and for 1 is Δ . There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be written using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is written as *
1 is written as Δ
2 is written as Δ*
3 is written as Δ Δ
4 is written as Δ** and so on.
Q 7 - Which of the following will represent 42?
Options :
Answer : A
Explanation
The decimal to binary conversions will be (42)10 = (101010)2
Go through the following information and answer the question accordingly.
In a certain code, the symbol 0 is written as - and for 1 is $. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be written using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is written as -
1 is written as $
2 is written as $-
3 is written as $$
4 is written as $--
Q 8 - Which of the following numbers will be represented by $$--$$-?
Options :
Answer : C
Explanation
The number is $$--$$- = (1100110)2 = (102)10
Try to solve the questions by deep analyzing the given information.
In a certain code, the symbol for 0 is ^ and for 1 is *. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be written using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is written as ^
1 is written as *
2 is written as *^
3 is written as **
4 is written as *^^ and so on
Q 9 - Which of the following will represent 2 x 2 x 2 + 3 x 3 + 2 x 3?
Options :
Answer : B
Explanation
The value of the given equation is 23. After dividing 23 with 2, we can get remainders as 10111 which means the answer is *^***.
Try to solve the questions by deep analyzing the given information.
In a certain code, the symbol for 0 is ! and for 1 is #. There is no symbol for rest of the numbers. Numbers greater than 1 are needed to be written using the two given symbols. Left shifting of 1 doubles its value each time. Study the following example.
0 is written as !
1 is written as #
2 is written as #!
3 is written as ##
4 is written as #!! and so on
Q 10 - Which of the following will represent 2 x 2 x 2 + 3 x 3 + 2 x 3 + 3?
Options :
Answer : B
Explanation
The value is 26. After dividing 26 with 2, we can get remainders as 11010 which means the answer is ##!#!.