2. Salam & Hello! I am Muhammad Meer Hazaar Khan
Alhamdolilah A licensed professional engineer a schooled and skilled in the application of engineering discipline to the creation of software and seeking to share my knowledge and experience with students .
You can find me at CS Department Government College University Layyah Campus or

3. Some Words, Muhammad Meer Hazaar Khan
“Freelancing & Enterprenuership“.
LinkedIn Profile:
ammad-meer-hazaar-khan- 6b11ab96/
Upwork Profile: cers/~01c0fdce3eda554427
YouTube Channel:
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“Engineering Degree".
B.S.C Software Engineering
University And Engineering And Technology Taxila
Approved By PEC
& Washington Accord U.S.A
M.S Degree
M.S Computer Science
Institute Of Southern Punjab
Research Area: Semantic Web
Gold Medalist
Muhammad Meer Hazaar Khan
@ Registered Software Engineer
Pakistan Engineering Council No Comp 11516
Lecturer Computer Science
Government College University Faisalabad Layyah Campus
Freelancer at Upwork
Enterprenuer
More info on how to find and understand the lectures and the blogs post at
Official Website: .

4. Seeking knowledge is an obligation upon every Muslim”
(Sunan Ibn Majjah, 224)

5. Let’s start with the first set of slides1
Basics OF Computer
Let’s start with the first set of slides

6. Using the Keyboard And Mouse
The most common input device • Also called primary input device for entering text and numbers. A standard keyboard includes about 100 keys, each
key sends a different signal to the CPU. – Must be proficient with keyboard – The Skill of typing is called keyboarding means the ability to enter text and numbers with skill and accuracy

7. How keyboard works – Keyboard controller detects a key press
– Controller sends a code to the CPU • Code represents the key pressed
– Controller notifies the operating system
– Operating system responds – Controller repeats the letter if held/said

8. The Mouse • Optical mouse - Non mechanical
– Light shown onto mouse pad
– Reflection determines speed and direction
– Requires little maintenance

9. Interacting with a mouse
– Actions involve pointing to an object – Clicking selects the object
– Clicking and holding drags the object – Releasing an object is a drop
– Right clicking activates the shortcut menu
– Modern mice include a scroll wheel

10. The Mouse • Benefits – Pointer positioning is fast
– Menu interaction is easy
– Users can draw electronically

19. Inputting Data In Other Ways