ISRO Scientist or Engineer Computer Science 2015
For the following questions answer them individually
ISRO Scientist or Engineer Computer Science 2015 - Question 51
How manycharacters per sec (7 bits +1 parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 start and 1 stop bit)?
ISRO Scientist or Engineer Computer Science 2015 - Question 52
In CRC if the data unit is 100111001 and the divisor is 1011 then whatis dividend at the sreceiver?
ISRO Scientist or Engineer Computer Science 2015 - Question 53
An ACK numberof 1000 in TCP always means that
ISRO Scientist or Engineer Computer Science 2015 - Question 54
In a class B subnet, we know the IP addressofone host and the mask as given below :
IP address = 125.134.112.66
Mask = 255.255.224.0
Whatis the first address (Network address)?
ISRO Scientist or Engineer Computer Science 2015 - Question 55
A certain population of ALOHA users manages to generate 70 request/sec. If the time is slotted in units of 50 msec, then channel load would be
ISRO Scientist or Engineer Computer Science 2015 - Question 56
Which statement is false?
ISRO Scientist or Engineer Computer Science 2015 - Question 57
A router uses the following routing table :
A packet bearing a estimation address 144.16.68.117 arrives at the router. On interface will it be forwarded?
ISRO Scientist or Engineer Computer Science 2015 - Question 58
Which layers of the OSI reference model are host-to-host layers?
ISRO Scientist or Engineer Computer Science 2015 - Question 59
Alpha andbeta testing are forms of
ISRO Scientist or Engineer Computer Science 2015 - Question 60
If in a software project the number of user input, user output, enquiries, files and external interfaces are (15, 50, 24, 12, 8), respectively, with complexity average weighing factor. The productivity if effort = 70 person-month is
