Related Questions

The time communicate between Bangladesh and USA is the same as that to communicate between two adjacent houses mask used should be:
A Fiber optic
B Satellite
C Twisted pair
D Radio link
If we want to connect a few computers in a small office, all the computers in one building, or all the computers in several buildings in close proximity, which type of network is required?
A PAN
B LAN
C MAN
D SAN
In a shipment of computers, 1% of the computers are defective. What is the ratio of defective to non-defective computers?
A 1 : 200
B 1 : 100
C 1 : 99
D 99 : 1
Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?
A one bit or any odd number of bits inverted in a block of data during transmission
B two bits or any even number of bits inverted in a block during transmission
C one bit or any odd number of bits inverted in a byte during transmission
D two bits or any even number of bits inverted in a byte during transmission
E None of the above
When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?
A 80
B 100
C 30
D 150
E None of the above
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
which type of computers are also called mid range computers?
A PC
B Mini computer
C Mainframe
D Super computer
Which type of Computers are also called midrange computers?
A PC
B Mini Computer
C Mainframe
D Super Computer
Consider that 5 computers are connected through mesh topology in a computer network. What are the number of connection lines nende if we want to add 2 more computers in the network?
A 9
B 11
C 13
D 15
What type of computers are client computers (most of the time) in a client -server system?
A PDA
B Microcomputer
C Mini- computer
D Mainframe

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