Prediksi Soal Un Teknik Digital Dasar 1
Berikut ini Prediksi soal Ujian Nasional berdasarkan SKL Soal Teori Kompetensi Kejuruan Teknik Audio Video Standart Kompetensi : Digital Dasar Kompetensi Dasar : Sistem Bilangan
- 1.
Bilangan biner disebut juga dengan bilangan ….
- A.
Binary nomer
- B.
Bilangan number
- C.
Trial and error
- D.
Denary number
- E.
Binary number
Correct Answer
E. Binary numberExplanation
The correct answer is "binary number". Bilangan biner refers to the binary number system, which is a number system that uses only two digits, 0 and 1. In the binary system, each digit represents a power of 2, and the value of a binary number is calculated by adding up the values of its digits. This system is commonly used in computer science and digital electronics.Rate this question:
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- 2.
Nilai (11)10 = (……)2
- A.
001011
- B.
11011
- C.
1010
- D.
01011
- E.
01010
Correct Answer
A. 001011Explanation
The given question asks for the binary representation of the decimal number (11)10. To convert a decimal number to binary, we divide the decimal number by 2 and record the remainder until the quotient becomes 0. In this case, when we divide 11 by 2, the remainder is 1 and the quotient is 5. When we divide 5 by 2, the remainder is 1 and the quotient is 2. Finally, when we divide 2 by 2, the remainder is 0 and the quotient is 1. Therefore, the binary representation of (11)10 is 1011.Rate this question:
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- 3.
Bilangan oktal yang benar berikut ini adalah …..
- A.
8875
- B.
7581
- C.
3794
- D.
2781
- E.
2561
Correct Answer
E. 2561Explanation
The correct answer is 2561 because it is the only number in the given options that can be represented in octal form. In octal, the digits range from 0 to 7, so any number that contains digits greater than 7 cannot be a valid octal number.Rate this question:
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- 4.
Lihat tabel berikut ini .. Isian yang benar untuk (1), (2), dan (3) berturut – turut adalah …
- A.
9, 7, 1001
- B.
11, 12, 1001
- C.
9, 12, 1010 01010
- D.
9, 12, 1100
- E.
11, 9, 1010
Correct Answer
E. 11, 9, 1010Explanation
The correct answer is 11, 9, 1010. This can be determined by analyzing the given options and finding the pattern that matches the given table. In the table, the first column starts with 9 and increases by 2 for each subsequent row. The second column starts with 7 and alternates between increasing by 1 and decreasing by 3. The third column starts with 1001 and alternates between adding 9 and subtracting 1. Only the option 11, 9, 1010 follows this pattern correctly.Rate this question:
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- 5.
Biner pecahan 0.111 sebanding dengan …
- A.
(0.125)10
- B.
(0.875)10
- C.
(0.25)10
- D.
(0.5)10
- E.
(0.625)10
Correct Answer
B. (0.875)10Explanation
The binary fraction 0.111 is equivalent to the decimal fraction (0.875)10.Rate this question:
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- 6.
Lihat tabel berikut ini : Isian yang benar untuk bilangan desimal dan biner berturut – turut adalah ....
- A.
(14)10 = (001111)2
- B.
(15)10 = (001111)2
- C.
(16)10 = (001100)2
- D.
(17)10 = (010000)2
- E.
(32)10 = (101111)2
Correct Answer
B. (15)10 = (001111)2Explanation
The correct answer is (15)10 = (001111)2 because the decimal number 15 is equivalent to the binary number 001111.Rate this question:
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- 7.
Konversi bilangan pecahan (25.25)10 = (……)2 ialah …
- A.
11001.001
- B.
11001.01
- C.
11001.1
- D.
1101.10
- E.
1101.11 d.
Correct Answer
B. 11001.01Explanation
The correct answer is 11001.01. This is because when converting a decimal number to binary, we can follow the process of multiplying the decimal part by 2 and taking the integer part of the result, repeating this process until the decimal part becomes 0. In this case, when multiplying 0.25 by 2, we get 0.5, so the integer part is 0. Then, when multiplying 0.5 by 2, we get 1, so the integer part is 1. This process continues until the decimal part becomes 0. Therefore, the binary representation of 25.25 is 11001.01.Rate this question:
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- 8.
Kepanjangan dari LSD adalah ….
- A.
Least Serial Desimal
- B.
Least Significant Denary
- C.
Lost Significant Digit
- D.
Least Significant Digit
- E.
Level Significant Digit
Correct Answer
D. Least Significant DigitExplanation
The correct answer is "Least Significant Digit" because LSD is an acronym commonly used in computer science and mathematics to refer to the digit in a number that has the least value and contributes the least to the overall value of the number. In other words, it is the rightmost digit in a number.Rate this question:
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- 9.
Nilai (101.01)2 sebanding dengan ….
- A.
(5.05)10
- B.
(5.125)10
- C.
(5.25)10
- D.
(5.5)10
- E.
(5.625)10
Correct Answer
C. (5.25)10Explanation
The given question asks for a value that is proportional to (101.01)2. To find the proportional value, we need to calculate the square root of (101.01)2. The square root of (101.01)2 is 101.01. Among the given options, the value (5.25)10 is the closest to 101.01, so it is the correct answer.Rate this question:
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- 10.
Perbedaan antara pengolahan konversi antara bilangan oktal kebilangan biner dengan konversi antara bilangan hexadesimal kebilangan biner adalah …..
- A.
Bilangan oktal harus dipisah – pisah lalu diubah ke bilangan biner
- B.
Bilangan hexadesimal dipisahkan masing-masing digitnya lalu diubah ke bilangan biner dengan jumlah 3 bit
- C.
Bilangan hexadesimal dipisahkan masing-masing digitnya lalu diubah ke bilangan biner dengan jumlah 4 bit
- D.
Bilangan oktal dipisahkan masing-masing digitnya lalu diubah ke bilangan biner dengan jumlah 4 bit
- E.
Tidak ada perbedaan antara konversi bilangan oktal ke biner maupun bilangan hexadesimal ke bilangan biner.
Correct Answer
C. Bilangan hexadesimal dipisahkan masing-masing digitnya lalu diubah ke bilangan biner dengan jumlah 4 bitExplanation
The correct answer states that when converting from hexadecimal to binary, each digit of the hexadecimal number is separated and then converted to binary with a group of 4 bits. This is different from converting from octal to binary, where each digit of the octal number is separated and then converted to binary with a group of 3 bits. Therefore, the difference lies in the number of bits used for the conversion.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 28, 2012Quiz Created by
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