MCQs / Computer Science / Mobility, Wireless Communication and Location-Aware Applications

Mobility, Wireless Communication and Location-Aware Applications MCQs — Computer Science (page 2)

36 multiple-choice questions on Mobility, Wireless Communication and Location-Aware Applications from Computer Science, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.

26. Which is a NETWORK challenge of mobile computing?

  1. Small screen
  2. Touch input
  3. Variable bandwidth and frequent disconnections
  4. Limited storage

Answer: C) Variable bandwidth and frequent disconnections

Explanation: Wireless links vary in speed and may drop.

Discuss this question

27. Which is an example of a location-aware app?

  1. A flashlight
  2. A text editor
  3. A ride-hailing app showing nearby drivers
  4. A calculator

Answer: C) A ride-hailing app showing nearby drivers

Explanation: Ride hailing depends on locations of riders and drivers.

Discuss this question

28. SMS was introduced with which generation of mobile networks?

  1. 1G
  2. 4G
  3. 2G (GSM)
  4. 5G

Answer: C) 2G (GSM)

Explanation: 2G digital GSM networks introduced SMS.

Discuss this question

29. LTE is associated with which generation?

  1. 4G
  2. 6G
  3. 3G
  4. 2G

Answer: A) 4G

Explanation: Long Term Evolution is the 4G standard.

Discuss this question

30. A virtual boundary that triggers an event when the user enters or exits it is a:

  1. Viewport
  2. Geofence
  3. Polyline
  4. Marker

Answer: B) Geofence

Explanation: Geofences notify ENTER, EXIT and DWELL transitions.

Discuss this question

31. Which 5G service category supports massive numbers of IoT devices?

  1. HSPA
  2. URLLC
  3. mMTC
  4. EDGE

Answer: C) mMTC

Explanation: Massive machine-type communication supports dense IoT.

Discuss this question

32. A location-aware application is one that:

  1. Stores maps offline only
  2. Uses no sensors
  3. Works only in one city
  4. Uses the device's current location to provide relevant information or services

Answer: D) Uses the device's current location to provide relevant information or services

Explanation: Location-aware apps adapt to where the user is.

Discuss this question

33. Contactless payments with a phone use:

  1. NFC
  2. 2G
  3. Bluetooth Classic
  4. Infrared

Answer: A) NFC

Explanation: NFC works within a few centimetres for payments and tags.

Discuss this question

34. The "Only this time" location permission option was introduced in Android:

  1. 6
  2. 11
  3. 15
  4. 9

Answer: B) 11

Explanation: One-time permissions arrived in Android 11.

Discuss this question

35. Which satellite navigation system belongs to the European Union?

  1. Galileo
  2. BeiDou
  3. GLONASS
  4. NAVSTAR

Answer: A) Galileo

Explanation: Galileo is the EU's GNSS; GLONASS is Russian, BeiDou Chinese, GPS (NAVSTAR) American.

Discuss this question

36. Which technology offers centimetre-level indoor ranging for digital car keys?

  1. GSM
  2. Wi-Fi 4
  3. NFC
  4. UWB (Ultra-Wideband)

Answer: D) UWB (Ultra-Wideband)

Explanation: UWB measures precise time-of-flight distances.

Discuss this question

Previous Page 2 of 2

Practise Mobility, Wireless Communication and Location-Aware Applications MCQs

More Computer Science chapters