ملخصات اشعاعية 🫶🩻 (م. ثانية)

المحاضرة الثانية⬆️

اهم تعداد وتعاريف المحاضرة الثانية: _Diffusion _The main lipid components include:(تعداد) _Structure of cell membrane(تعداد) _Functions of cell membrane(تعداد) _ cell membrane _Hydrophilic _ Hydrophobic _cholesterol _Glycoproteins _Integral membrane protein _Membrane Protein Functions(تعداد)مهم _Permeability _Osmosis

المحاضرة الأولى ⬆️

What is the importance of biology ?ما أهمية علم الاحياء 1 -Better understanding how the human body function. فهم أفضل كيفية لعمل جسم الانسان 2 -Finding cure for diseases. التوصل إلى علاج الامراض 3 -Saving endangered sp which are on the edge of extinction. انقاذ الأنواع المهددة بالانقراض 4 -A better management of problem الإدارة الافضل للمشاكل 5 -Understand ourselves and surrounding. فهم أنفسنا والمحيطين بنا 6 -Understand the interaction between living things and environment . فهم التفاعل بين الكائنات الحية والبيئة

١_اوجه التشابه اربع نقاط ٢_اوجه الاختلاف (المقارنة ) وحده منهن تجي بالامتحان ١٠٠٪

Q/ What The Basic Components of the Cell Theory ? ماهي المكونات الأساسية لنضرية الخلية؟ 1 -All organisms are composed of one or more cell . جميع الخلايا تتكون من خلية واحدة أو أكثر. 2 -The cell is the basic unit of life in all living things . الخلية هي الوحدة الأساسية للحياة في جميع الكائنات الحية. 3 -All cells are produced by the division of preexisting cells . يتم انتاج جميع الخلايا من خلال انقسام الخلايا.

Name three scientists who made the discovery ? اذكر ثلاث علماء مع اكتشافاتهم ؟ 1 -Aristotle (first who classified living things). 2 – Galen (Father of Anatomy) 3_Andreas Vesalius (discovered Comparative Anatomy). 4 -William Harvey (the heart pumps blood and the blood circulates) (واحتمال يكول اذكر اثنين أو عالم واحد )

مهم ..

الحاسوب ☝️

Q1/ What are the technical factors and challenges that computers faced during the first generation that influenced their development? A) Technological limitations, device size, and high power consumption. B) Programming complexity and heavy reliance on machine-level programming. C) Specialization in specific tasks and lack of access to the masses. Answer/D Q2/ What is the function of power buttons on computers? A) Loading applications. B) Turning on the computer. C) Increasing volume. D) Switching screens. Answer: B Q3/ Which of the following is an incorrect classification of operating systems? A) Sequential operating systems B) Distributed operating systems C) Real time operating systems D) Network operating systems Answer: D Q4/ What is the function of the "Windows Defender Firewall" option in the Windows 10 Control Panel? A) Provides access to a variety of administrative tools and utilities for system management and problem-solving. B) Manages firewall settings to control network traffic and protect your computer from unauthorized access. C) Provides access to security settings, maintenance tasks, and system health reports. D) Modifies power settings to improve energy consumption and configure power plans for your device. Answer: B Q5/ What is the function of the Ctrl + P shortcut? A) Print B) Return C) Cancel D) Copy Answer: A

Classification of operating systems: 1. Serial Processing Operating Systems 2. Parallel Processing Operating Systems2. أنظمة تشغيل المعالجة المتوازية 3. Distributed Operating Systems3. أنظمة التشغيل الموزعة 4. Real-time Operating Systems. أنظمة التشغيل في الوقت الحقيقي

Uses of real-time operating systems: استخدام انضمة التشغيل في الوقت الحقيقي 1. Industrial robots: 2. Control systems: 3. Satellite navigation systems: 4. Medical devices:

Software licenses: 1. Software purchase: 2. Personal or commercial use: 3. Updates and Support: 4. Do not modify the software: 5. Refrain from illegal cloning:

Computer security: 1. Anti-virus and anti-malware software: 2. Firewalls: 3. Security Updates: 4. Passwords and two-factor verification: 5. Data encryption: 6. Safety training:

Software: 1. Operating System 2. Application Software 3. System Software 4. Virtual Environments 5. Network Applications 6. Firmware 7. Programming Libraries 8. Development Environments 9. Databases

Hardware: 1_Computer Case 2_Monitor 3_Keyboard 4_Mouse 5_Printer 6_Scanner 7_Speakers 8_Webcam 9_Headset 10_Microphone

Classification of computers by purpose... 1. Personal Computers: 2.Servers: 3. Workstations: 4. Mainframe Computers: 5. Embedded Systems: 6_Enterprise Mainframes 7. Gaming Computers: 8. Smartphones and Wearable Devices: 9. Artificial Intelligence and Machine Learning Systems: