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professor190 [17]
2 years ago
13

A CPU has just been powered on and it immediately executes a machine code instruction. What is the most likely type of instructi

on that it executed
Computers and Technology
1 answer:
adell [148]2 years ago
3 0

The most likely type of instruction that was executed by the CPU is: a jump instruction.

<h3>What is a CPU?</h3>

A central processing unit (CPU) can be defined as the main components of a computer because it acts as the brain of a computer and does all the processing and logical control.

This ultimately implies that, a central processing unit (CPU) is typically used by a computer to execute an instruction or set of instructions when powered on.

<h3>What is a jump instruction?</h3>

In Computer technology, a jump instruction specifies an offset to a new place in the program sequence when processing an instruction or set of instructions in a computer.

Read more on CPU here: brainly.com/question/5430107

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What are the three parts of a camera
son4ous [18]

Answer: Camera lens, Film or sensors, and body.

Explanation: I researched it.

8 0
2 years ago
Write a date transformer program using an if/elif/else statement to transform a numeric date in month/day format to an expanded
boyakko [2]

I wrote it in Python because it was quick so i hope this is helpful

Answer:

date = input('Enter Date: ')

split_date = date.split('/')

month = split_date[0]

day = split_date[1]

if month == '1':

   english_month = 'January'

   spanish_month = 'Enero'

elif month == '2':

   english_month = 'February'

   spanish_month = 'Febrero'

elif month == '3':

   english_month = 'March'

   spanish_month = 'Marzo'

elif month == '4':

   english_month = 'April'

   spanish_month = 'Abril'

elif month == '5':

   english_month = 'May'

   spanish_month = 'Mayo'

elif month == '6':

   english_month = 'June'

   spanish_month = 'Junio'

elif month == '7':

   english_month = 'July'

   spanish_month = 'Julio'

elif month == '8':

   english_month = 'August'

   spanish_month = 'Agosto'

elif month == '9':

   english_month = 'September'

   spanish_month = 'Septiembre'

elif month == '10':

   english_month = 'October'

   spanish_month = 'Octubre'

elif month == '11':

   english_month = 'November'

   spanish_month = 'Noviembre'

elif month == '12':

   english_month = 'December'

   spanish_month = 'Diciembre'

US_English = f'{english_month} {day}'

International_Spanish = f'{day} {spanish_month}'

print(f'US English Form: {US_English}')

print(f'International Spanish Form: {International_Spanish}')

Input:

3/5

Output:

US English Form: March 5

International Spanish Form: 5 Marzo

Explanation:

You start by taking input from the user then splitting that at the '/' so that we have the date and the month in separate variables. Then we have an if statement checking to see what month is given and when the month is detected it sets a Spanish variable and an English variable then prints it to the screen.

Hope this helps.

7 0
2 years ago
Explain the term computer output​
fomenos

Answer:

Computer output simply put is any data generated by the computer or feedback gotten from the computer. Output can take many forms, but there are 2 major categories:

- Soft copy output e.g text viewed on a computer screen

- Hard copy output e.g printouts

Explanation:

6 0
2 years ago
What method does a GSM network use to separate data on a channel?
Sergeu [11.5K]

Answer: TDMA(Time division multiple access)

Explanation: Time-division multiple access is the method that is used by GSM(Global system for mobile communication) usually for the separation process of the data.It is a way in which a same frequency is shared by different time slots of signal.It has high flexibility and so thus is helpful for the GSM network and provides easy services of division.It divides the data according to the time period slots in a GSM network.

4 0
3 years ago
2. Research, find and use a better (different from the simple Shift Cipher) encryption technique to encrypt a string of your cho
Kruka [31]

Answer:

There are two better techniques for encryption as compared to shift cipher. One is block cipher. Such techniques use one key for both encryption and decryption. For example Advanced Encryption Standard (AES). This is based on symmetric key encryption.

The other way is to use asymmetric key encryption technique which based on two keys i.e. public and private key for encryption and decryption. For example, Rivest-Shamir-Adleman (RSA).

Explanation:

What is AES?

Advanced Encryption Standard (AES) is a symmetric key block cipher  which uses 128, 192 or 256-bit keys  length to encrypt and decrypt a block of plain text or message. It is stronger and faster than Shift Cipher encryption technique. It can encrypt data blocks of 128 bit using the above mentioned bit key lengths. The greater then key length the greater the security. the number of rounds in AES is variable and depends on the length of the key. The length of these keys determines the number of rounds for example 128 bit keys has 10 rounds, 12 rounds for 192 bit keys and 14 rounds for 256 bit keys. Each rounds involves some processing. This process is explained below:

How AES works?

The data is divided into each of size 128 bits makes a matrix of 4x4 columns of 16 bytes. (bytes because AES takes 128 bit plain text block as 16 bytes)

Substitution: First the data is substituted using a fixed substitution table which is predetermined. This makes a matrix of rows and columns.

Shifting: Each rows of the matrix is shifted to the left and the dropped entries in row are inserted on the right. Shift is carried out as follows −  

Mixing columns: Use a mathematical method/equation to transform the columns where the input of the method is each column of data which is then replaced by this function into a different new matrix of data(bytes). This is basically the first round to transform plain text to cipher text. Now consider these bytes as 128 bits, the first round key is added to these resultant column bits by XOR. A separate portion of the encryption key length is used to perform the transformation on each column. The number of rounds depend on the the key length.

After the first round key comes the second round key and so on and when the last round key is added then this whole process goes back to Substitution phase, then shifting rows phase, then mixing columns and another round key is added after this. For example, if 128 bit key is used this means there will be nine such rounds.

Advantages

AES supports large key sizes which makes it more secure and stronger than shift cipher encryption techniques which can be cracked because of their small key space. If someone wants to decrypt a message and knows it's encrypted by a Shift Cipher technique then the key space of all possible keys is only the size of the alphabet. This is a very small scale.  An attack such brute force attack attempting all 26 keys or even using exhaustive technique will easily crack this. So AES having large key size is more robust against cracking. For example in AES in order to crack an encryption for 128 bit around 2128 attempts are needed. Also for a 256 bit key, 2256 different combinations attempts are needed to ensure the right one is included which makes it harder to crack and makes is more secure.

I have used an internet solver to encrypt a string and i am attaching the result of the encryption. The plain text is: Two One Nine Two

The key is Thats my Kung Fu

and the cipher text in hexadecimal after using AES is:

29 c3 50 5f 57 14 20 f6 40 22 99 b3 1a 02 d7 3a

8 0
3 years ago
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