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laiz [17]
3 years ago
8

_____ can be either software-based or deployed via hardware, such as a recording "dongle" that is plugged in between a keyboard

and a pc. shadow-keyboards bootloggers kitroots keyloggers
Computers and Technology
1 answer:
Monica [59]3 years ago
6 0
<span>Keyloggers can be either software-based or deployed via hardware, such as a recording "dongle" that is plugged in between a keyboard and a PC.
</span><span>The keylogger is also called keystroke logger or system monitor. This technology used to monitor and record each keystroke typed on a specific computer's keyboard. </span>
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An audiophile is a person who _______.
Andru [333]
An audiophile is a person who is enthusiastic about high-fidelity sound reproduction.
5 0
3 years ago
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How many bit strings of length 12 contain the substring 111000?
ELEN [110]

Answer:

448 strings

Explanation:

Each bit string can be filled by two ways either 0 or 1. If the bit strings of length contain the substring '111000' we therefore need a substring of length 6.

The selection of bits starts from the 1st bit to 7th bit enclosing the substring 111000 and ensuring that the length 6 are all filled. So, there will be  7 ways to contain this substring.

The total ways to contain this substring = 7*2^6 =448

Therefore 448 strings of length 12 contain the substring '111000'.

7 0
3 years ago
What color typically indicates the speaker port on a sound card?
allsm [11]
The answer to this question would be: Lime green

The lime green color code is for audio output for speaker or headphones. Color coding is greatly helpful to make sure that the port you are using is correct. Using the color you can determine what kind of input or output the port is for. There is a few others color coding like pink for analog microphone input, or light blue for audio input of analog line.
4 0
3 years ago
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g Boolean Algebraic properties _____. a. are used to make boolean expressions more complicated b. are used to convert a Boolean
vesna_86 [32]

Answer:

c. can lead to a simpler expression and thus a simpler circuit.

Explanation:

Boolean logic refers to a theory of mathematics developed by the prominent British mathematician, called George Boole. In Boolean logic, all variables are either true or false and are denoted by the number "1" or "0" respectively; True = 1 or False = 0.

Also, Boolean logic allow users to combine keywords with Boolean operators (quotes, AND, OR, near/n) to give a more personalized and relevant search results.

There are five (5) main Boolean Algebraic properties and these includes;

I. <u>Commutative property</u>: it applies to both multiplication and addition.

  • <em>For addition; A + B = B + A</em>
  • <em>For multiplication; A.B = B.A</em>

II. <u>Associative property</u>: it applies to both multiplication and addition.

  • <em>For addition; A + (B + C) = (A + B) + C</em>
  • <em>For multiplication; A(BC) = (AB)C</em>

III. <u>Distributive property</u>: it is formed using the product of a sum.

  • <em>A(B + C) = AB + AC</em>

IV. <u>Complement property</u>: it involves a variable and its complement.

  • <em>For addition: A + A' = 1</em>
  • <em>For multiplication; A.A' = 0</em>

V. <u>Identity property</u>:

  • <em>For addition; A + 0 = A</em>
  • <em>For multiplication; A.1 = A</em>

In digital electronics, Boolean expressions are used to represent circuits which comprises of Boolean operations and as such simplifying any logic expression without changing or altering any of it's functionalities and properties based on given operations or variables.

Hence, Boolean Algebraic properties can lead to a simpler expression and thus a simpler circuit.

3 0
2 years ago
Write the definition of a function named alternator that receives no parameters and returns true the first time it is invoked, r
Nataly [62]

Answer:

The solution code is written in C++

  1. bool STATUS = true;
  2. bool alternator ()
  3. {
  4.    if(STATUS){
  5.        STATUS = false;
  6.        return true;
  7.    }else{
  8.        STATUS = true;
  9.        return false;
  10.    }
  11. }

Explanation:

We need a global variable to track the status of true or false (Line 1).

Next, create the function alternator (Line 2) and then check if current status is true, set the status to false but return the previous status boolean value (Line 5-6). At the first time of function invocation, it will return true.

The else block will set the STATUS to true and return the false (Line 7-9).

3 0
2 years ago
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