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mars1129 [50]
3 years ago
6

A _____ miniature battery operated transmitter that can be propelled through a non-metallic pipe or purpose of locating

Computers and Technology
1 answer:
Anna11 [10]3 years ago
7 0
I think it is the model ET-2. Not quite sure.
You might be interested in
Tuesday
4vir4ik [10]

Answer:

?

Explanation:

these are instructions to a question?

7 0
3 years ago
Assume you have a packet with data payload of 1024 bytes. The packet header is 6 bytes. Assume there is no other overhead. The c
Sveta_85 [38]

Answer:

PER= 0.824

Explanation:

Total bytes = 1024+6

=1030 bytes

=1030*8 bits

= 8240 bits

BER = 0.0001

Packet Level Error (PER) = 8240*0.0001

= 0.824

7 0
3 years ago
How many different messages can be transmitted in n microseconds using three different signals if one signal requires 1 microsec
SIZIF [17.4K]

Answer:

a_{n} = 2/3 . 2^n + 1/3 . (-1)^n

Explanation:

Let a_{n} represents number of the message that can transmitted in <em>n </em>microsecond using three of different signals.

One signal requires one microsecond for transmittal: a_{n}-1

Another signal requires two microseconds for transmittal: a_{n}-2

The last signal requires two microseconds for transmittal: a_{n}-2

a_{n}= a_{n-1} + a_{n-2} + a_{n-2} = a_{n-1} + 2a_{n-2}, n ≥  2

In 0 microseconds. exactly 1 message can be sent: the empty message.

a_{0}= 1

In 1 microsecond. exactly 1 message can be sent (using the one signal of one  microseconds:

a_{0}= 1

2- Roots Characteristic equation

Let a_{n} = r^2, a_{n-1}=r and a_{n-2}= 1

r^2 = r+2

r^2 - r - 2 =0                 Subtract r+6 from each side

(r - 2)(n+1)=0                  Factorize

r - 2 = 0 or r +1 = 0       Zero product property

r = 2 or r = -1                 Solve each equation

Solution recurrence relation

The solution of the recurrence relation is then of the form a_{1} = a_{1 r^n 1} + a_{2 r^n 2} with r_{1} and r_{2} the roots of the characteristic equation.

a_{n} =a_{1} . 2^n + a_{2}.(-1)"

Initial conditions :

1 = a_{0} = a_{1} + a_{2}

1 = a_{1} = 2a_{1} - a_{2}

Add the previous two equations

2 = 3a_{1}

2/3 = a_{1}

Determine a_{2} from 1 = a_{1} + a_{2} and a_{1} = 2/3

a_{2} = 1 - a_{1} = 1 - 2 / 3 = 1/3

Thus, the solution of recursion relation is a_{n} = 2/3 . 2^n + 1/3 . (-1)^n

6 0
3 years ago
Describe how keyboard software works and which problems does keyboard software<br> need to handle?
Anastaziya [24]

Answer:

The target computer's operating system and gain unauthorized access to the hardware, hook into the keyboard with functions provided by the OS, or use remote access software to transmit recorded data out of the target computer to a remote location.

No physical sensation of pressing a button results in misfires. Lack of physical divisions between keys makes touch typing impossible. Smaller key spacing results in typos.

3 0
3 years ago
What would you call 2-1-1 for?
kogti [31]

Answer:

B.

Explanation:

211 # is for Essential Community Services. In many states, dialing “211” provides individuals and families in need with a shortcut to health and human services.

8 0
3 years ago
Read 2 more answers
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