C OMPUTER B LOCK D IAGRAM, H ARDWARE DEVICES, S YSTEM S OFTWARE AND A PPLICATION S OFTWARE Chapter 4 Mr. Mohammed Rahmath
C OMPUTER B LOCK D IAGRAM Mr. Mohammed Rahmath
H ARDWARE D EVICES Mr. Mohammed Rahmath
M OUSE Mr. Mohammed Rahmath
K EYBOARD Mr. Mohammed Rahmath
C ENTRAL P ROCESSING U NIT (CPU) Mr. Mohammed Rahmath
I NSIDE CPU Mr. Mohammed Rahmath
M OTHER B OARD Mr. Mohammed Rahmath
RAM ( RANDOM ACCESS MEMORY ) Mr. Mohammed Rahmath
H ARD DISK Mr. Mohammed Rahmath
V IDEO C ARD Mr. Mohammed Rahmath
P ROCESSOR Mr. Mohammed Rahmath
B LUETOOTH CARD Mr. Mohammed Rahmath
S OUND CARD Mr. Mohammed Rahmath
N ETWORK CARD Mr. Mohammed Rahmath
CD/DVD D RIVE Mr. Mohammed Rahmath
W EB C AMERA Mr. Mohammed Rahmath
S CANNER Mr. Mohammed Rahmath
P RINTER Mr. Mohammed Rahmath
J OY S TICK Mr. Mohammed Rahmath
M ICROPHONE AND S PEAKERS Mr. Mohammed Rahmath
S OFTWARE Software: Software is a set of programs Mr. Mohammed Rahmath
1. A PPLICATION SOFTWARE Definition: Application software, also known as an application or an "app", is computer software designed to help the user to perform specific tasks. Example: MS word, MS Excel, MS PPT, etc… Mr. Mohammed Rahmath
2. S YSTEM S OFTWARE Definition: Computer software, or just software is a general term primarily used for digitally stored data such as computer programs and other kinds of information read and written by computers. App comes under computer software though it has a wide scope now. Example: OS,Utilities, Windows Mr. Mohammed Rahmath
Application Software Computer/ System Software Interaction: Users always interact with application software while doing different activities. Generally, users do not interact with system software as it works in the background. Dependency: Application software cannot run without the presence of the system software. System software can run independently of the application software. Mr. Mohammed Rahmath
S ESSION 4 E ND Mr. Mohammed Rahmath