Computer Science Class 9 Chapter 5 MCQs With 3 Tests

9th Class Computer Science Chapter 5 Number Systems MCQs TEST 1:

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Computer Science Chapter 5 – Number Systems Test 1

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The ASCII is a code?

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The EBCDIC is a code?

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The collection of facts and figures is called?

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The data after processing is called?

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The set of characters including 26 characters of English alphabets and 10 decimal digits is called?

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Computers directly understand digits?

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Computer did not directly understand?

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45, 26, 15, 40 is a?

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Data is classified into typed?

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Binary numbers are?

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Real data contains numbers, which may be?

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The base of decimal number system is?

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The data is represented on a computer by means of a two state ON and OFF system called?

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The base of binary number system is?

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The base of octal number system is?

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The binary number system is used in?

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The base of hexadecimal number system is?

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Alphanumeric characters are expressed in terms of binary codes. In ASCII each character is represented as a?

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2’s complement of 1011.1 is?

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I’s complement of 1011.1 is?

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9th Class Computer Science Chapter 5 Number Systems MCQs TEST 2:

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Computer Science Chapter 5 – Number Systems Test 2

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A byte consist of nibbles?

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10° =?

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The digit from 0 to 9 are called?

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The binary equivalent of ( 20)10 is?

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The decimal equivalent of ( 20)10 is?

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Decimal number system consists of?

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453 =?

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The decimal equivalent of (10)s is?

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(236)10 = (?) 10 ?

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(A)16 =?

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In 645 the most significant digit is?

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In 724 the least significant digit is?

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The number system that contains the range of 10 number and 6 alphabets is?

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(0001)= (?)

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Binary digits are denoted by?

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9th Class Computer Science Chapter 5 Number Systems MCQs TEST 3:

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Computer Science Chapter 5 – Number Systems Test 3

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01001(2) in decimal system is equal to?

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I’s complement of 01110 is?

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In binary number system 0 + 0 =?

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In binary number system 1 X 0 =?

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ASCII for 6 is equal to?

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Which of the following is not a real number?

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In Hexadecimal number system the value of E is?

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The value of hexadecimal digit A is ?

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The number 822 represent the?

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Add 01011101 and 00110010?

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The binary equivalent of decimal number (3)10 is?

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The binary equivalent of (F)16 is ?

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The hexadecimal equivalent of binary number (101001)2 is?

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The most commonly used character for transmission are?

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In scientific notation power of 10 is called?

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