2. What is a Computer?
A computer is an electronic machine that is
controlled by many programs that process, store
data, and perform various arithmetic and logical
operations on it.
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Desktop computer Laptop Computer Pocket Computer
Tablet Computer
3. Computer Components
A. Hardware Component
1. Input Units
2. Output Units
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Keyboard Mouse Microphone Scanner
Camera
Monitor Speaker Data Show Printer
4. Computer Components
3. Central Processing Unit (CPU) and Mother Board
CPU is the brain of a computer, it determines the speed of
the computer and performs functions related to input and
output, processing and storage of data for a computer
system.
Mother board is an electronic board to which all the basic
computer components are directly connected.
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CPU Mother Board
5. Computer Components
4. Data Storage Devices
5. Memory
▪ Read Only Memory (ROM): It stores a set of basic and necessary
programs in the process of operating the computer.
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Hard Disk DVD
CD
6. Computer Components
▪ Random Access Memory (RAM): It stores the programs and data
that the CPU requires during the execution of a specific program.
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RAM
ROM
8. Computer Components
B. Software Component
1. Programming Languages:
It is a set of commands and sentences that follow specific
rules in a scientific manner to accomplish a specific task.
Languages are the basis for the production of programs
such as operating systems, utility programs, and
application programs. An example of these languages is C,
C++, C#, HTML, CSS, PHP,… etc.
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9. Computer Components
2. Operating Systems:
Operating System (OS) is the program that, after being initially
loaded into the computer by a boot program, manages all of the other
application programs in a computer. The most important operating
systems are Windows, Linux, and Macintosh.
3. Utility Programs:
Antivirus, backup software, file manager, and disk compression tool
all are utility programs.
4. Application Programs:
They are programs equipped to perform certain functions such as
Microsoft office (word, excel, power point, outlook), games, ..etc.
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10. Microsoft Office Programs
Microsoft office is an office package produced by Microsoft
Software Company, which includes a group of office
programs such as Microsoft word, Microsoft Access,
Microsoft PowerPoint, Microsoft Excel, and others.
Microsoft is working on adding upgraded versions of this
package. All Microsoft Office applications feature the same
basic controls, so once you learn one application, you can
learn another application easily.
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11. Download, Install, Uninstall Microsoft Office
To download Microsoft Office click on the below link:
https://getintopc.com/softwares/office-tools/microsoft-office-2010-pro-plus-october-2020-free-download-4459893/
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