Daftar Isi
Kata Pengantar ..........................................................................................................iii
Prakata ....................................................................................................................... iv
Daftar Isi ..................................................................................................................... v
Daftar Gambar ........................................................................................................viii
Buku Siswa Informatika Kelas VII ......................................................................... x
Bab 1 Informatika dan Keterampilan Generik ............................................................................1
A. Informatika untuk Pelajar SMP ....................................................................................... 3
1. Apa dan Mengapa Perlu Belajar Informatika? ............................................................3
2. Apa yang akan Dipelajari dalam Mata Pelajaran Informatika? ..............................5
3. Informatika dan Proil Pelajar Pancasila ......................................................................7
B. Pengantar Keterampilan Generik ................................................................................. 16
1. Bekerja dalam Kelompok ............................................................................................ 17
2. Mengomunikasikan Hasil Kerja ................................................................................. 21
Bab 2 Berpikir Komputasional .....................................................................................................25
Apa Itu Berpikir Komputasional? .............................................................................27
A. Algoritma ............................................................................................................................ 29
B. Optimasi Penjadwalan ...................................................................................................... 31
C. Struktur Data ...................................................................................................................... 32
D. Representasi Data .............................................................................................................. 34
Bab 3 Teknologi Informasi dan Komunikasi ............................................................................ 37
A. Pengenalan Antarmuka Pengguna ................................................................................ 39
B. Folder dan File ..................................................................................................................... 43
1. Ekstensi File .................................................................................................................... 43
2. Pengelolaan Folder ......................................................................................................... 44
3. Pengelolaan File dengan Sistem Operasi Microsoft Windows .............................44
C. Peramban dan Search Engine ........................................................................................... 49
D. Surel ...................................................................................................................................... 54
E. Aplikasi Perkantoran ......................................................................................................... 59
1. Sejarah Perangkat Lunak Pengolah Kata .................................................................. 59
2. Pengolah Kata Mekanis ................................................................................................ 59
3. Pengolah Kata Elektromekanis dan Elektronik ...................................................... 60
4. Perangkat Lunak Pengolah Kata ................................................................................ 61
Bab 4 Sistem Komputer ................................................................................................................69
Pengantar Sistem Komputer .....................................................................................71
A. Perangkat Keras - Hardware ........................................................................................... 72
1. Perangkat Masukan (Input Devices) ........................................................................... 72
2. Pemroses .......................................................................................................................... 75
3. Alat Output (Output Devices) ....................................................................................... 77
4. Peranti Penyimpanan Sekunder (Secondary Storage Device) ................................78
5. Peranti Lainnya .............................................................................................................. 81
vi
6. Spesiikasi Perangkat Keras ......................................................................................... 83
B. Perangkat Lunak - Software ............................................................................................. 87
1. Sistem Operasi (Operating System) ............................................................................. 88
2. Program Aplikasi ........................................................................................................... 89
C. Interaksi Antarperangkat ................................................................................................. 93
Closed-Circuit Television (CCTV) ..................................................................................... 94
D. Permasalahan dan Spesiikasi Perangkat Keras ......................................................... 97
E. Bilangan Biner .................................................................................................................100
1. Mesin Fax dan Modem ..............................................................................................102
2. Menghitung lebih dari 31 ..........................................................................................102
3. Lebih Lanjut tentang Bilangan Biner .....................................................................103
Bab 5 Jaringan Komputer dan Internet ..................................................................................113
A. Pengantar Jaringan Komputer dan Internet .............................................................115
World Wide Web (WWW ) ...............................................................................................117
B. Koneksi Internet ...............................................................................................................119
1. Wireless LAN (Wi-Fi) ...................................................................................................119
2. Tethering ........................................................................................................................122
C. Proteksi Data dan File .....................................................................................................127
1. Cara Kerja Enkripsi .....................................................................................................127
2. Caesar’s Cipher .............................................................................................................128
Bab 6 Analisis Data ......................................................................................................................137
A. Mengenal Data ................................................................................................................139
1. Apa itu Data? ................................................................................................................139
2. Satuan Ukuran Data ....................................................................................................140
3. Apa itu Analisis Data? .................................................................................................140
4. Apa itu Interpretasi Data? ..........................................................................................140
5. Mengapa Perlu Analisis Data? ..................................................................................141
6. Kegiatan Apa yang akan Kalian Lakukan Terkait Analisis Data? ......................142
B. Perkakas Pengolah Lembar Kerja .................................................................................143
1. Mengenal Perkakas ......................................................................................................143
2. Worksheets ......................................................................................................................145
3. Freeze Panes ...................................................................................................................147
4. Cell References ...............................................................................................................149
5. Format Cells ...................................................................................................................151
C. Pengolahan Data Dasar ...................................................................................................157
1. Fungsi Dasar .................................................................................................................157
2. Fungsi Statistik Dasar ................................................................................................165
3. Logical Function ............................................................................................................166
D Pengolahan Data Lanjutan .............................................................................................171
1. Sort ..................................................................................................................................171
2. Filter ..............................................................................................................................172
3. Data Validation .............................................................................................................173
4. Share and Protect ..........................................................................................................177
E. Kasus Analisis Data Unplugged ......................................................................................186
Bab 7 Algoritma dan Pemrograman ........................................................................................193
A.Pemrograman ....................................................................................................................196
vii
1. Mengapa Perlu Belajar Programming? .....................................................................196
2. Bagaimana Belajar Programming? ............................................................................196
3. Scratch ............................................................................................................................197
4. Membuat Akun ............................................................................................................198
5. Mengenal “Universe” Scratch .....................................................................................199
B. Eksplorasi Fungsi Dasar ..................................................................................................203
C. Robot Manual ...................................................................................................................210
Bab 8 Dampak Sosial Informatika ...........................................................................................215
A. Perkembangan Teknologi Informasi dan Komunikasi ...........................................217
1. Pengaruh TIK terhadap Kehidupan Masyarakat ..................................................219
2. Dampak Positif dan Negatif Teknologi Informasi dan Komunikasi ................221
B. Kolaborasi di Dunia Maya ..............................................................................................226
C. Media Sosial ......................................................................................................................229
D. Informasi Pribadi dan Hukum Privasi .......................................................................233
1. Hukum Privasi ..............................................................................................................233
2. Persetujuan yang Diinformasikan ...........................................................................234
Bab 9 Praktika Lintas Bidang Informatika ........................................................................... 239
A. Pengembangan Artefak Komputasional .....................................................................241
1. Starter Makey Makey: Bermain dengan Alat .........................................................241
2. Pengembangan Synthesizer dengan Media Air dan Makey Makey ...................250
B. Aktivitas Unplugged: Bermain Strategi .......................................................................261
Glosarium .....................................................................................................................265
Daftar Pustaka ............................................................................................................270
Sumber Gambar ..........................................................................................................274
Indeks ...........................................................................................................................276
Proil Penulis ...............................................................................................................278
Proil Penelaah ............................................................................................................283
Proil Ilustrator ..........................................................................................................285
Proil Penyunting .......................................................................................................286
Kata Pengantar ..........................................................................................................iii
Prakata ....................................................................................................................... iv
Daftar Isi ..................................................................................................................... v
Daftar Gambar ........................................................................................................viii
Buku Siswa Informatika Kelas VII ......................................................................... x
Bab 1 Informatika dan Keterampilan Generik ............................................................................1
A. Informatika untuk Pelajar SMP ....................................................................................... 3
1. Apa dan Mengapa Perlu Belajar Informatika? ............................................................3
2. Apa yang akan Dipelajari dalam Mata Pelajaran Informatika? ..............................5
3. Informatika dan Proil Pelajar Pancasila ......................................................................7
B. Pengantar Keterampilan Generik ................................................................................. 16
1. Bekerja dalam Kelompok ............................................................................................ 17
2. Mengomunikasikan Hasil Kerja ................................................................................. 21
Bab 2 Berpikir Komputasional .....................................................................................................25
Apa Itu Berpikir Komputasional? .............................................................................27
A. Algoritma ............................................................................................................................ 29
B. Optimasi Penjadwalan ...................................................................................................... 31
C. Struktur Data ...................................................................................................................... 32
D. Representasi Data .............................................................................................................. 34
Bab 3 Teknologi Informasi dan Komunikasi ............................................................................ 37
A. Pengenalan Antarmuka Pengguna ................................................................................ 39
B. Folder dan File ..................................................................................................................... 43
1. Ekstensi File .................................................................................................................... 43
2. Pengelolaan Folder ......................................................................................................... 44
3. Pengelolaan File dengan Sistem Operasi Microsoft Windows .............................44
C. Peramban dan Search Engine ........................................................................................... 49
D. Surel ...................................................................................................................................... 54
E. Aplikasi Perkantoran ......................................................................................................... 59
1. Sejarah Perangkat Lunak Pengolah Kata .................................................................. 59
2. Pengolah Kata Mekanis ................................................................................................ 59
3. Pengolah Kata Elektromekanis dan Elektronik ...................................................... 60
4. Perangkat Lunak Pengolah Kata ................................................................................ 61
Bab 4 Sistem Komputer ................................................................................................................69
Pengantar Sistem Komputer .....................................................................................71
A. Perangkat Keras - Hardware ........................................................................................... 72
1. Perangkat Masukan (Input Devices) ........................................................................... 72
2. Pemroses .......................................................................................................................... 75
3. Alat Output (Output Devices) ....................................................................................... 77
4. Peranti Penyimpanan Sekunder (Secondary Storage Device) ................................78
5. Peranti Lainnya .............................................................................................................. 81
vi
6. Spesiikasi Perangkat Keras ......................................................................................... 83
B. Perangkat Lunak - Software ............................................................................................. 87
1. Sistem Operasi (Operating System) ............................................................................. 88
2. Program Aplikasi ........................................................................................................... 89
C. Interaksi Antarperangkat ................................................................................................. 93
Closed-Circuit Television (CCTV) ..................................................................................... 94
D. Permasalahan dan Spesiikasi Perangkat Keras ......................................................... 97
E. Bilangan Biner .................................................................................................................100
1. Mesin Fax dan Modem ..............................................................................................102
2. Menghitung lebih dari 31 ..........................................................................................102
3. Lebih Lanjut tentang Bilangan Biner .....................................................................103
Bab 5 Jaringan Komputer dan Internet ..................................................................................113
A. Pengantar Jaringan Komputer dan Internet .............................................................115
World Wide Web (WWW ) ...............................................................................................117
B. Koneksi Internet ...............................................................................................................119
1. Wireless LAN (Wi-Fi) ...................................................................................................119
2. Tethering ........................................................................................................................122
C. Proteksi Data dan File .....................................................................................................127
1. Cara Kerja Enkripsi .....................................................................................................127
2. Caesar’s Cipher .............................................................................................................128
Bab 6 Analisis Data ......................................................................................................................137
A. Mengenal Data ................................................................................................................139
1. Apa itu Data? ................................................................................................................139
2. Satuan Ukuran Data ....................................................................................................140
3. Apa itu Analisis Data? .................................................................................................140
4. Apa itu Interpretasi Data? ..........................................................................................140
5. Mengapa Perlu Analisis Data? ..................................................................................141
6. Kegiatan Apa yang akan Kalian Lakukan Terkait Analisis Data? ......................142
B. Perkakas Pengolah Lembar Kerja .................................................................................143
1. Mengenal Perkakas ......................................................................................................143
2. Worksheets ......................................................................................................................145
3. Freeze Panes ...................................................................................................................147
4. Cell References ...............................................................................................................149
5. Format Cells ...................................................................................................................151
C. Pengolahan Data Dasar ...................................................................................................157
1. Fungsi Dasar .................................................................................................................157
2. Fungsi Statistik Dasar ................................................................................................165
3. Logical Function ............................................................................................................166
D Pengolahan Data Lanjutan .............................................................................................171
1. Sort ..................................................................................................................................171
2. Filter ..............................................................................................................................172
3. Data Validation .............................................................................................................173
4. Share and Protect ..........................................................................................................177
E. Kasus Analisis Data Unplugged ......................................................................................186
Bab 7 Algoritma dan Pemrograman ........................................................................................193
A.Pemrograman ....................................................................................................................196
vii
1. Mengapa Perlu Belajar Programming? .....................................................................196
2. Bagaimana Belajar Programming? ............................................................................196
3. Scratch ............................................................................................................................197
4. Membuat Akun ............................................................................................................198
5. Mengenal “Universe” Scratch .....................................................................................199
B. Eksplorasi Fungsi Dasar ..................................................................................................203
C. Robot Manual ...................................................................................................................210
Bab 8 Dampak Sosial Informatika ...........................................................................................215
A. Perkembangan Teknologi Informasi dan Komunikasi ...........................................217
1. Pengaruh TIK terhadap Kehidupan Masyarakat ..................................................219
2. Dampak Positif dan Negatif Teknologi Informasi dan Komunikasi ................221
B. Kolaborasi di Dunia Maya ..............................................................................................226
C. Media Sosial ......................................................................................................................229
D. Informasi Pribadi dan Hukum Privasi .......................................................................233
1. Hukum Privasi ..............................................................................................................233
2. Persetujuan yang Diinformasikan ...........................................................................234
Bab 9 Praktika Lintas Bidang Informatika ........................................................................... 239
A. Pengembangan Artefak Komputasional .....................................................................241
1. Starter Makey Makey: Bermain dengan Alat .........................................................241
2. Pengembangan Synthesizer dengan Media Air dan Makey Makey ...................250
B. Aktivitas Unplugged: Bermain Strategi .......................................................................261
Glosarium .....................................................................................................................265
Daftar Pustaka ............................................................................................................270
Sumber Gambar ..........................................................................................................274
Indeks ...........................................................................................................................276
Proil Penulis ...............................................................................................................278
Proil Penelaah ............................................................................................................283
Proil Ilustrator ..........................................................................................................285
Proil Penyunting .......................................................................................................286
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