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Proses sifer, substituition cipher dan pigpen cipher

Authored by yusoff siti noor

Computers

3rd Grade

Used 20+ times

Proses sifer, substituition cipher dan pigpen cipher
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

RAPAL TAGNAS AYAS merujuk kepada..

Songsangan seluruh mesej

Songsangan abjad

Songsangan perkataan

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Kaedah sifer dalam rajah berikut dikenali sebagai 

Caesar cipher
Transposition cipher
Pigpen cipher
Reverse cipher

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dengan menggunakan kaedah Caesar (shift 3) Cipher, sulitkan teks asal berikut:
"KRIPTOGRAFI"

NULSWRJUDIL
NULSWRJUDIJ
NULSXRJUDIL
NULTWRJUDIL

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apakah kunci bagi ceaser cipher jika abjad pertama bermula dengan huruf F

7

6

5

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apakah simbol bagi bajad B dalam pig pen cipher?

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6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

rajah berikut menunjukkan teks sifer yang dihasilkan menggunakan pig pen sifer. Apakah teks biasa yang terhasil apabila teks sifer sersebut dinyahsulitkan?

BELAJAR

PELAJAR

NELAYAN

BELAYAR

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Menggunakan kaedah sifer ceasar

Kata kunci: “shift of 5”

Encrypt message ini

1. SIAPA KETUA KELAS AWAK?

XSFUF PJYZF PJQFX FBFP?

XNFUF PJYZF PJQFT FBFP?

XNFUF PJYZF PJQFX FBFP?

XNFUF PJYZF PJQFX FDFP?

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