Wireless computing (Mobile computing)
- 1. Wireless computing, also known as mobile computing, refers to the use of various technologies that allow for the transmission of data and communication without the need for physical connections. In the realm of mobile computing, devices are connected wirelessly to networks such as Wi-Fi or cellular networks, enabling users to access information and services on the go. This technology has revolutionized the way we work and interact with the digital world, providing unprecedented flexibility and convenience. From smartphones and tablets to wearables and IoT devices, wireless computing has become an integral part of our daily lives, connecting us to a wealth of resources and opportunities anytime, anywhere.
Which of the following wireless technologies is used for connecting devices over short distances?
A) NFC
B) Wi-Fi
C) LTE
D) Bluetooth
- 2. Which wireless technology is commonly used for payments and ticketing through smartphones?
A) Wi-Fi
B) Bluetooth
C) 5G
D) NFC
- 3. What type of network topology involves a single central node that controls all message traffic?
A) Mesh
B) Bus
C) Star
D) Ring
- 4. In wireless communication, what does SSID stand for?
A) Service Set IDentifier
B) Signal Strength Indicator
C) Secure System ID
D) System Shutdown Identifier
- 5. Which communication protocol is commonly used for sending emails on mobile devices?
A) FTP
B) HTTP
C) VoIP
D) SMTP
- 6. What is the purpose of the IMEI number in a mobile device?
A) To manage app permissions
B) To increase screen resolution
C) To determine the device's processor speed
D) To uniquely identify the device on the cellular network
- 7. Which of the following is a benefit of using edge computing in wireless networks?
A) Decreased data security
B) Increased network congestion
C) Reduced latency
D) Enhanced battery usage
- 8. What does MIMO technology aim to improve in wireless communication?
A) Device compatibility
B) Data throughput and signal reliability
C) Network coverage area
D) Encryption strength
- 9. What is the term used to describe the process of switching a mobile device's connection from one cell tower to another as the device moves?
A) Switching
B) Network Handoff
C) Handover
D) Tower Transition
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