10진수 변환 퀴즈

10진수 변환 퀴즈

6th Grade

10 Qs

quiz-placeholder

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10진수 변환 퀴즈

10진수 변환 퀴즈

Assessment

Quiz

Computers

6th Grade

Medium

Created by

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10진수 25를 2진수로 변환하시오.

11001

10011

11100

10101

Answer explanation

To convert decimal 25 to binary, divide by 2 repeatedly and note remainders. 25/2=12 R1, 12/2=6 R0, 6/2=3 R0, 3/2=1 R1, 1/2=0 R1. Reading remainders in reverse order gives 11001.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2진수 1101을 10진수로 변환하시오.

16

15

14

13

Answer explanation

To convert binary 1101 to decimal, we use the formula: (1 * 2^3) + (1 * 2^2) + (0 * 2^1) + (1 * 2^0) = 13.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10진수 63을 8진수로 변환하시오.

77

72

61

55

Answer explanation

To convert 63 to octal, divide by 8 repeatedly: 63 ÷ 8 = 7 with a remainder of 7. So, the octal equivalent is 77.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8진수 75를 10진수로 변환하시오.

61

69

47

53

Answer explanation

To convert 8 octal to decimal, multiply each digit by 8 raised to the power of its position from right to left. In this case, (7*8^0) + (5*8^1) = 7 + 40 = 47. Therefore, 75 in octal is equal to 47 in decimal.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10진수 128를 16진수로 변환하시오.

C0

64

A0

80

Answer explanation

To convert 128 to hexadecimal, divide by 16: 128 ÷ 16 = 8 with a remainder of 0. The remainder 0 corresponds to 0 in hexadecimal, so the answer is 80.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

16진수 1A를 10진수로 변환하시오.

15

20

30

26

Answer explanation

To convert 1A in hexadecimal to decimal, we multiply the first digit (1) by 16^1 and the second digit (A = 10) by 16^0. Therefore, 1*16 + 10*1 = 16 + 10 = 26.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10진수 42를 5진수로 변환하시오.

24

78

32

56

Answer explanation

To convert decimal 42 to base 5, divide 42 by 5 which gives a quotient of 8 and a remainder of 2. Continue dividing the quotient until it reaches 0. The remainders in reverse order give the base 5 representation, which is 32.

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