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What is mean by d and b channels in a pri line?
D (Delta channel) carries control and signaling traffic. B (Bearer channel) carries the actual data and/or voice traffic. A U.S. PRI consists of 23 Bearer channels and 1 Delta channel for a total of 24 channels per PRI.
6 How many values does a binary digit bit have?
It can have 0 to 1 It can have 0 to 1
What is the use of digital logic in a computer?
To help you with your work and have fun and play games almost all digital computers today operate on boolean logic. A boolean value can hold one of two states: True (1) or false (0). these values can be combined in different ways to produce more values. It takes literally trillions of values and combinations to produce what we experience when we use a computer.
What does L0 0 0 1 stand for when debugging?
· What does the "L" stand for? The "L" stands for load. · What does the first 0 indicate? Indicates address. · What does the second 0 indicate? Indicates drive. · What does the third 0 indicate? Indicates first sector. · What does the 1 indicate? Indicates number.
Do computers store data digitally and ultimately as a stream of only two numbers?
Most digital computers today do.
How many DMA channels exist?
the DMA channels 0, 1, 2 and 3 with 8-bit and DMA channels 4, 5, 6 and 7 with only 16 bits.
Is ide and dma the same thing?
No, IDE stands for Integrated Drive Electronics A hardware interface widely used to connect hard disks, optical discs and tape drives to a PC. Introduced in 1986 with 20MB of storage, capacities increased a thousandfold in less than two decades. Compared to the SCSI interface, IDE has been the more economical choice. (Direct Memory Access) Specialized circuitry or a dedicated microprocessor that transfers data from memory to memory without using the CPU. Although DMA may periodically steal cycles from the CPU, data are transferred much faster than using the CPU for every byte of transfer. On PCs, there are eight DMA channels commonly used as follows. Most sound cards are set to use DMA channel 1. See PIO mode. DMA Used for 0 8-bit transfer 1 8-bit transfer 2 Floppy disk controller 3 8-bit transfer 4 Cascaded from 0-3 5 16-bit transfer 6 16-bit transfer 7 16-bit transfer DMA Disk Transfers There are various modes of data transfer on IDE disk drives. The PIO modes use the CPU, and the DMA modes bypass the CPU.
What effect does cache memory on DMA?
1.DMA may lead to cache coherency problems. 2.May lead to bus error interrupt, which arent easy to process.
What Of the total amount of available water on earth what percent is usable?
1% of water is usable in this case .Since only 3% of water is usable as fresh water, 2% is unavailable in frozen form leaving approximately 1% of the earth's water usable.
A 2MB PCM has how many voice channels?
There are 32 channels in total. Out of which 31 are voice channels and 1 is signalling channel
What two numbers use to store all of a computers data?
0 (Zero) and 1 (One) are the two digits used in Binary code, which is the lowest form of code usable by a computer.
How many channels does T 1 have?
12,24,30,48?
What percentage of water on Earth is actually usable for drinking water?
Roughly 1% of the Earth's water is considered usable for drinking, with the majority being in the form of freshwater. However, only a fraction of that 1% is easily accessible due to factors such as pollution and contamination.
Give truth table for excess-3 to bcd code converter?
Excess-3 BCD a B c d w x y z 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 1 1 0 0 0 1 1 0 1 1 1 0 1 0 0 1 0 0 0 0 1 0 1 1 0 0 1 0 1 1 0 1 0 1 0 0 1 1 1 1 0 1 0 1 0 0 0 1 0 0 0 1 0 0 1 i'm not sure. but it should be the ans
What channels are the music channels on dish?
It all depends upon what DISH package you have. There are alot of music channels available on dish: channels 923 - 981 , channels 6001 - 6084.
What is the truth table for A B CY?
a b c y 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 FORMULA FOR possibilities = 2 ^(no of variables). Here its 4 so, 2n=24=16 Hence we have 16 possibilities.
Design a truth table up to 4 variable?
w x y z 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 FORMULA FOR possibilities = 2 ^(no of variables). Here its 4 so, 2n=24=16 Hence we have 16 possibilities.
