Related Questions

একটি চ্যানেল দিয়ে প্রতি সেকেন্ডে সর্বোচ্চ 106 বিট ডেটা ট্রান্সফার হলে ঐ চ্যানেলে ব্যান্ডউইথ কত হবে? (If 106 bits data are transmitted at most per second through a channel, then what will be bandwidth of that channel?)
A 1MBps
B 1Mbps
C 10KBps
D 10Kbps
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
A PC
B synchronous port
C crossover cable
D asynchronous port
E None of the above
The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is
A 0.3
B 0.9
C 0.03
D 0.66
The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is
A 0.1
B 0.55
C 0.95
D 1.85
In practical commercial FM system, channel bandwidth is
A 150 kHz
B 100 kHz
C 88 MHz
D 108 MHz
A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.
A CDMA
B ANIK-D
C TDMA
D FDMA
If Sabbir requires 5 minutes to make a box and Zoha requires 7 minutes to make a box, what will be the number of boxes made by Sabbir to the number of boxes made by Zoha if they work for 5 hours and 50 minutes?
A 5 to 6
B 7 to 5
C 5 to 7
D 6 to 5
In a two lane channel, bottom width of channel is given by
A Manoeuvring lane + (2 × Bank clearance lane)
B (2 × Manoeuvring lane) + (2 × Bank clearance lane)
C (2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)
D Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane
If the cross-sectional area of the channel in n-channel JEFT increases, the drain current ___________
A is increased
B is decreased
C remains the same
D none of the above

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