Class 10 Exam  >  Class 10 Notes  >  Computer Application: Class 10  >  Mobile Technologies: Very Short Answer Type Questions

Mobile Technologies: Very Short Answer Type Questions | Computer Application: Class 10 PDF Download

Q.1. What is SIM?  (1 Mark)
Ans:
SIM (Subscriber Identification Module) are inter-changeable modules which store subscriber and wireless provider information.

Q.2. Expand:  (1 Mark)
(a) GPRS
(b) FDMA
Ans: (a) GPRS: 
General Packet Radio Service
(b) FDMA: Frequency Division Multiple Access

Q.3. What is GSM?  (1 Mark)
Ans: 
GSM (Global System for Mobile communications) is a technique that uses TDMA which allows 8 simultaneous calls on the same radio frequency.

Q.4. Give the difference between 3G and 4G.  (1 Mark)
Ans:

  • The Speed of 4G is about 10 times faster than 3G.
  • We can stream audio and video content using 4G.

Q.5. Write one characteristic each for 2G and 3G Mobile Technologies.  (1 Marks)
Ans: 2G:
First digital cellular system with data speeds upto 64 kbps.
3G: With speeds upto 2 Mbps, it allows voice and video calls.

Q.6. Differentiate SMS and MMS.  (1 Mark)
Ans:

Mobile Technologies: Very Short Answer Type Questions | Computer Application: Class 10

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