1. What is Windows? 9. What should you do before pressing the power button?
Windows িক? Power button )পাৰ আগেত িক কিৰব লােগ?
A. A printer A. Unplug all cables
B. An operating system ✅ B. Check electric connection ✅
C. A keyboard C. Remove keyboard
D. A website D. Install antivirus
Answer: B Answer: B
2. Which company developed Windows? 10. What message appears before turning off a computer?
Windows কান কা ানীেয় তয়াৰ কিৰেছ? কি উটাৰ ব* কৰাৰ আগেত কানেটা message দখা যায়?
A. Google A. "Welcome"
B. Apple B. "Error occurred"
C. Microsoft ✅ C. "It's Now Safe to Turn Off Your Computer" ✅
D. Intel D. "Virus Detected"
Answer: C Answer: C
3. Windows 10 is known for being: 11. Which step comes last while shutting down the
computer?
Windows 10 কেন ৱা িহচােপ জনা যায়?
A. Difficult to use কি উটাৰ ব* কৰাৰ শষ খাজেটা িক?
B. Expensive A. Pressing Enter
C. User-friendly ✅ B. Unplugging mouse
D. For experts only C. Switching off UPS and power socket ✅
Answer: C D. Turning on the monitor
Answer: C
4. What is used as an input device in the human brain
analogy? 12. What is the printer compared to in the human body
analogy?
মানৱ মগজু ৰ উপমাত কাক input device িহচােপ ব ৱহাৰ কৰা
হেছ? মানৱ শৰীৰৰ উপমাত Printer িকহৰ সেত তুলনা কৰা হেছ?
A. Eyes, ears, nose, tongue ✅ A. Mouth ✅
B. Hands B. Nose
C. Legs C. Hand
D. Mouth D. Eye
Answer: A Answer: A
5. Which of these is an output device? 13. What does NIC stand for?
তলৰ কানেটা Output device? NIC ৰ পূণ/ৰপূ িক?
A. Mouse A. National Internet Centre
B. Scanner B. Network Interface Card ✅
C. Monitor ✅ C. Net Internal Connection
D. Keyboard D. None of the above
Answer: C Answer: B
6. What is the function of a UPS? 14. Which is not part of a computer network?
UPS ৰ কাম িক? তলৰ কানেটা computer network ৰ অংশ নহয়?
A. To store data A. Client
B. To clean viruses B. Printer
C. To provide temporary power during failure ✅ C. Mouse ✅
D. To improve speed D. Server
Answer: C Answer: C
7. What device protects from power surges and failures? 15. What is the role of an operating system?
িবদুৎ িব াট আৰুহঠাৎ Voltage বািঢ়বৈল ৰ%া কৰা উপকৰণ Operating system ৰ ভূিমকা িক?
কানেটা? A. To print files
B. To manage hardware and software ✅
A. Printer
C. To cool the system
B. Stabilizer and UPS ✅
D. To increase internet speed
C. CPU
D. RAM Answer: B
Answer: B
16. What is the role of a Network Operating System (NOS)?
8. In what order should a computer be connected for
electrical safety? Network Operating System (NOS) ৰ ভূিমকা িক?
A. To control printer
বদুিতক সু ৰ%াৰ বােব কি উটাৰ কেনৈক সংেযাগ কিৰব B. To play games
C. To allow communication between computers over a network
লােগ?
✅
A. Wall socket → CPU D. To clean memory
B. Wall socket → UPS → CPU
C. Wall socket → Stabilizer → UPS → CPU ✅
D. Wall socket → Printer Answer: C
Answer: C
17. What does a hub do in a network? 24. What is another name for LAN cable?
হাব (Hub) ৰ কায/ িক? LAN কবলৰ আন এটা নাম িক?
A. Stores data A. HDMI cable
B. Connects to printer B. Ethernet cable ✅
C. Splits network connection into multiple computers ✅ C. USB cable
D. Scans viruses D. Charging cable
Answer: C Answer: B
18. Which device uses physical addresses to forward data 25. What is the full form of RJ in RJ-45 port?
only to the correct destination?
RJ-45 পাট/ৰ RJ ৰ পূণ/ৰপ
ূ িক?
তলৰ কানেটা device এ physical address ব ৱহাৰ কিৰ data A. Router Jack
স4ক গ5ব ৈল প4য়ায়? B. Registered Jack ✅
A. Hub C. Real Jumper
B. Switch ✅ D. Remote Joiner
C. Router
D. Printer Answer: B
Answer: B 26. What is a Gateway in a network?
19. What is the main difference between a hub and a switch? নটৱক/ত Gateway িক?
A. Input device
হাব আৰুছু ইচৰ মু খ পাথ/ ক িক? B. Power supply
A. Switch is wireless C. A node that connects two networks ✅
B. Hub uses passwords D. A virus scanner
C. Switch sends data to the right device, hub sends to all ✅
D. Hub is faster Answer: C
Answer: C 27. What is the function of a bridge in a network?
20. What is a router used for? নটৱক/ত Bridge ৰ কাম িক?
A. To make video calls
Router িকহৰ বােব ব ৱহাৰ কৰা হয়? B. To charge the router
A. To print files C. To connect two networks ✅
B. To play music D. To block websites
C. To connect LAN with internet ✅
D. To scan documents Answer: C
Answer: C 28. Which device is like a hub but has advanced features?
21. What are the types of routers? তলৰ কানেটা device হাবৰ দেৰ িক9 উ:ত সু
িবধাযু
<?
A. Switch ✅
Router ৰ 8কাৰ িকমান? B. Router
A. Two - Wired and Wireless ✅ C. Bridge
B. One - Wireless only D. Modem
C. Three - USB, LAN, WAN
D. No type Answer: A
Answer: A 29. What does a switch use to identify where to send data?
22. What is a repeater? Switch িকহৰ সহায়ত data ক’ ল পঠাব লােগ জােন?
A. User ID
Repeater িক? B. IP address
A. A device to delete data C. Physical (MAC) address ✅
B. A device to forward only voice calls D. Password
C. A device that regenerates weak signals ✅
D. A type of mouse Answer: C
Answer: C 30. What is CAT-6 cable used for?
23. What does a LAN cable do? CAT-6 কবল িকহৰ বােব ব ৱহাৰ কৰা হয়?
A. For charging
LAN কবেল িক কেৰ? B. For transferring electricity
A. Cleans the computer C. For high-speed network connections ✅
B. Connects USB D. For scanning files
C. Connects device to internet or network ✅
D. Increases brightness Answer: C
Answer: C