মূল বিষয়বস্তুতে যান

পপ্রশ্ন করি

নবম-দশম একাদশ-দ্বাদশ মডেল টেস্ট লিডারবোর্ড ড্যাশবোর্ড সাইন ইন

© 2026 প্রশ্ন করি · Proshnokori

হোম আমাদের সম্পর্কে যোগাযোগ গোপনীয়তা ড্যাশবোর্ড

হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-02 — Communication Systems and Networking›C-02-Q136

C-02-Q136mediumsingle_mcq

Which company began commercially manufacturing mobile phones in the 80s?

aMotorola
bDocomo
cNippon Telegraph and Telephone Corporation
dAmazon

Kপূর্ববর্তী

136/256

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-02-Q137Commercially manufactured mobile phones can be divided into how many generations?
C-02-Q138Which was the first handheld mobile phone, manufactured and used in the United States?
C-02-Q139AMPS, which announced the first generation of mobile phone standards, stands for —
C-02-Q140The first generation (1G) of mobile phones covered which time period?
C-02-Q141What marked the beginning of the second generation (2G) of mobile phones?
C-02-Q142A 2G network is also known as a —
C-02-Q143The two new features of 2G mobile phones were GSM and —
C-02-Q144When a mobile phone communicates beyond its service operator's coverage area, it is called —
C-02-Q145Third generation (3G) of mobile phones replaced circuit switching with which data transmission method?
C-02-Q146In 3G, the data transfer rate increased up to —

C-02 — Communication Systems and Networking — সব প্রশ্ন দেখুন (256টি) →