1. A B C D 1 3 2 4
2. A B C D 3 1 2 4
3. A B C D 2 1 4 3
4. A B C D 4 2 1 3
A |
B |
C |
D |
3 |
1 |
2 |
4 |
1. high pass filter
2. mechanical filter
3. RC filter
4. LC filter
mechanical filter
1. magnetic drupe
2. hard disk
3. magnetic tape
4. floppy disk
magnetic tape
1. very large carrier power
2. large carrier power
3. small carrier power
4. very small carrier power
very large carrier power
1. 10101.001
2. 10100.001
3. 10101.010
4. 10100.111
10101.001
1. cost
2. unreliability of sorted data
3. slow data recording
4. data is to be accessed sequentially
data is to be accessed sequentially
1. 210 bytes
2. 220 bytes
3. 230 bytes
4. none of these
220 bytes
1.
2.
3.
4.
1. 0.4
2. 0.5
3. 0.8
4. 1.0
0.8
1. +5sin wt
2. -5sin wt
3. +20sin wt
4. -20sin wt.
-20sin wt.