diff --git a/Mobile Application/K21/01 Mobile Application Teori/MA-Pertemuan 11.pdf b/Mobile Application/K21/01 Mobile Application Teori/MA-Pertemuan 11.pdf
new file mode 100644
index 0000000..dcc7e5d
Binary files /dev/null and b/Mobile Application/K21/01 Mobile Application Teori/MA-Pertemuan 11.pdf differ
diff --git a/Mobile Programming/K21/01 Mobile Programming Teori/MP-Pertemuan 11.pdf b/Mobile Programming/K21/01 Mobile Programming Teori/MP-Pertemuan 11.pdf
new file mode 100644
index 0000000..e698d14
Binary files /dev/null and b/Mobile Programming/K21/01 Mobile Programming Teori/MP-Pertemuan 11.pdf differ
diff --git a/Open Source System/K21/01 Open Source System Teori/OSS-Pertemuan 11.pdf b/Open Source System/K21/01 Open Source System Teori/OSS-Pertemuan 11.pdf
new file mode 100644
index 0000000..9f6077a
Binary files /dev/null and b/Open Source System/K21/01 Open Source System Teori/OSS-Pertemuan 11.pdf differ
diff --git a/Sistem Operasi/K21/01 Sistem Operasi Teori/SO-Pertemuan 11.pdf b/Sistem Operasi/K21/01 Sistem Operasi Teori/SO-Pertemuan 11.pdf
new file mode 100644
index 0000000..239002c
Binary files /dev/null and b/Sistem Operasi/K21/01 Sistem Operasi Teori/SO-Pertemuan 11.pdf differ