Ethio Manguday for your ICT Teacher

28/05/2026

1. Which of the following is NOT a DML command?

A. UPDATE

B. INSERT

C. TRUNCATE

D. DELETE


2. You want to add a new record to the staff table. Which of the following is the correct syntax?

A. ADD INTO STAFF VALUES (1, 'John', 'Doe');

B. INSERT INTO STAFF (ID, FNAME, LNAME) VALUES (1, 'Abel', 'Sonaj');

C. UPDATE STAFF SET ID=1, FNAME='Abel', LNAME='Sonaj';

D. INSERT STAFF (1, 'Abel', 'Sonaj');


3. Which DML command is used to modify the values of existing records in database?

A. MODIFY

B. ALTER

C. CHANGE

D. UPDATE


4. How do you select all columns from a table named "products"?


Hello!! all Interesting .!!!

Answer key with explanation in first Comment. 📚🔥 perfect for students and anyone preparing for exams!

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28/05/2026

Boost your browsing speed with these amazing Google Chrome shortcut keys! 🌐⌨️
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19/05/2026

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17/05/2026

Hello!! all Interesting .!!!
Answer key with explanation in first Comment. 📚🔥 Computer Networking MCQs (51–60) | Boost Your Exam Prep! 🔥📚
Ready to level up your Computer Science knowledge? 🚀
These carefully designed MCQs cover key networking concepts like WAN, Router, IP, Topologies, and Communication Modes — perfect for students and anyone preparing for exams!

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09/05/2026

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08/05/2026

🌐 Essential Networking Equipment – Explained Simply!

Building or understanding a network starts with knowing the right components. This visual guide breaks down the core devices, cabling, power systems, and security tools used in modern networks.

🔧 Core Devices: Routers, switches, access points, firewalls, load balancers
🔌 Cabling & Connectivity: Ethernet, fiber optics, patch cords, coaxial
⚡ Power & Backup: UPS, PDU, generators for reliability
🖥️ End Devices: PCs, laptops, and servers
🔒 Security & Monitoring: Wireless controllers & CCTV systems

💡 Whether you're a beginner or preparing for CCNA/CCNP, this is your quick reference to understand how everything connects together in real-world environments.

📘 Strong fundamentals = Strong network design


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07/05/2026

Answerkey with explaination in first comment.
🔥 FIA / ETEA Preparation – Advanced Keyboard Shortcuts MCQs (Part 2) 🔥
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03/05/2026

27/04/2026

Hi interesting. ...!!!
🔌 RJ45 PINOUT (T-568A & T-568B) — Explained Simply.

Struggling to remember Ethernet cable wiring? Here’s a clean and easy breakdown of T-568A vs T-568B pinouts 👇

✅ T-568A Order (Pin 1 → 8):
White/Green, Green, White/Orange, Blue, White/Blue, Orange, White/Brown, Brown

✅ T-568B Order (Pin 1 → 8):
White/Orange, Orange, White/Green, Blue, White/Blue, Green, White/Brown, Brown

🔁 Twisted Pairs:
• Green Pair → White/Green + Green
• Orange Pair → White/Orange + Orange
• Blue Pair → White/Blue + Blue
• Brown Pair → White/Brown + Brown

💡 Key Points:
• Used in Ethernet (LAN) cables
• Contains 8 wires (4 twisted pairs)
• T-568B is most commonly used in real-world networking

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📌 Why it matters?
Correct pinout ensures proper data transmission and avoids network issues like packet loss or no connectivity.

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⚠️ Disclaimer:
This content is shared for educational purposes only. While every effort has been made to ensure accuracy, minor errors may still exist. Always verify with official standards before practical implementation.

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25/04/2026

Hi interesting....!!!