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IrinaK [193]
3 years ago
13

Assume that word is a variable of type String that has been assigned a value. Write an expression whose value is a String consis

ting of the first three characters of the value of word. So if the value of word were dystopia" the expression's value would be "dys"."
Computers and Technology
1 answer:
DerKrebs [107]3 years ago
7 0

Answer:

Follwing is the python code:-

word=str(input("Enter the string\n"))

new=word[0:3] #expression for first three characters of the string.

print(new)

Output:-

Enter the string

chandelier

cha

Explanation:

The expression word[0:3] is for extracting first three characters form the string.

word[0:3] = It extracts characters from index 0 to index 2 it does not include 3.3 is excluded.

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Analyze the following code.
denis-greek [22]

Answer:

C

Explanation:

No explanation, self-explanatory. I used class main instead...

4 0
3 years ago
Technology can help governments handle economic emergencies, such as the reliance on automation. Crop and resource shortages. Th
uranmaximum [27]

Answer

Technology can help government handle economic emergencies such as crop and resource shortages.

Explanation

The government can address the concerns of food shortages and water scarcity through embracing new technology interventions to increase farm yields and mitigate the impacts of water shortages. Through crop protection methods, weeds and pest can be controlled. Drip irrigation technology applies water directly to the roots of crops to facilitate high crop production. Other technologies to apply can include organic agriculture and integrated soil fertility management.



3 0
3 years ago
Read 2 more answers
Using MARS/MIPS
slega [8]

Answer:

Explanation:

MIPS program which increments from 0 to 15 and display results in Decimal on the console

In this program the user defined procedures print_int and print_eot were used to print the integer values and new line characters(\n) respectively.the mechanisam of the loop is explaine in the comment section of the program.

     addi $s0, $0, 0

     addi $s1, $0, 15

print_int:

              li $v0, 1                # system call to print integer

              syscall                

              jr $ra                     # return

print_eol:                      # prints "\n"

            li $v0, 4            

              la $a0, linebrk      

              syscall              

              jr $ra                  # return

main: . . .          

              li $a0, 0                # print 0

              jal print_int         # print value in $a0

loop:   move $a0, $s0           # print loop count

       jal print_int        

       jal print_eol           # print "\n" character

       addi $s0, $s0, 1        # increment loop count by 1

       ble $s1, $s0, loop      # exit if $s1<$s0

beq $s0, $0, end

end:

MIPS progam to increment from 0 to 15 and display results in Hexadecimal on the console

this program is slightly differed from the previous program in this program the system call issued in print_int is implemented with a system call that prints numbers in hex.

addi $s0, $0, 15

     addi $s1, $0, 0

print_int:

   li      $v0,34                  # syscall number for "print hex"

   syscall                         # issue the syscall

              jr $ra                     # return

print_eol:                      # prints "\n"

            li $v0, 4            

              la $a0, linebrk      

              syscall              

              jr $ra                  # return

main: . . .          

              li $a0, 0                # print 0

              jal print_int         # print value in $a0

loop:   move $a0, $s0           # print loop count

       jal print_int        

       jal print_eol           # print "\n" character

       addi $s0, $s0, 1        # increment loop count by 1

       ble $s1, $s0, loop      # exit if $s0>$s1

beq $s0, $0, end

end:

5 0
3 years ago
3.1.5 Which network component connects a device to transmission media and allows the device to send and receive messages?
Rom4ik [11]

Answer:

Network Interface Card (NIC)

Explanation:

Also called Ethernet Card, the Network Interface Card (NIC) allows a computer or any device to make wired or wireless connections with other devices in a network. This connection made possible by the NIC allows the device to send and receive messages in the network.

An application of this is seen in Internet of Things(IoT) where devices communicate with one another. This is actually possible because all of the devices one way or the other have a network interface card.

8 0
2 years ago
What process identifies and grants access to a user who is trying to access a system? A. Credibility
xeze [42]

Answer:

Option C is the correct answer for the above question

Explanation:

Authentication is used to grant a person to use the system so that no other person can hack the data of the system. It is done by some unique id which is provided to the user of that system. When any person wants to use the system he needs to use that a unique id and sometimes password and some other information to use the system.

The above question asked about the process through which the user of the system grants access to use the system only. So the process is Authentication. hence Option C is correct because it states about the process Authentication while the other is not because--

  • Option a states Credibility which is not the process to enter the system.
  • Option b states Authorization which is used if the system gives access to the user, not the user can take on its own.
  • Option d states Honesty which is not the process to enter the system.
8 0
3 years ago
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