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2 years ago

Information systems cannot solve some business problems. Give three examples and explain why technology cannot help.

Computers and Technology

1 answer:

artcher [175]2 years ago

6 0

Answer:

1. cant make decision on its own

2. Can't feed data on its own

3. cant help in saving cost

Explanation:

Systme cannot make decision:- Information system can only provide data in a way so that analysis can be done. But system cannot take a business decision on its on. It requires experience and knowledge of how to use the data available.

System Cannot feed data on its own:- System cannot make reports and customize them as per the situation need. This has to be done manually.

Information system cannot help in cost saving:- For this Humans are required to identify the areas of opportunities and to act on it.

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A student made a model of isostasy by placing a block of wood in a beaker of water. What does the wooden block represent in the

Komok [63]

I am almost positive the answer is B, Earth's crust. I know it cannot be A or C because isostasy has nothing to do with sea level or glaciers, and Earth's mantle is inside.

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2 years ago

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Write a function addOddMinusEven that takes two integers indicating the starting point and the end point. Then calculate the sum

snow_lady [41]

Answer:g

public static int addOddMinusEven(int start, int end){

int odd =0;

int even = 0;

for(int i =start; i<end; i++){

if(i%2==0){

even = even+i;

}

else{

odd = odd+i;

}

return odd-even;

}

Explanation:

Using Java programming language:

The method addOddMinusEven() is created to accept two parameters of ints start and end
Using a for loop statement we iterate from start to end but not including end
Using a modulos operator we check for even and odds
The method then returns odd-even
See below a complete method with a call to the method addOddMinusEven()

public class num13 {

public static void main(String[] args) {

int start = 2;

int stop = 10;

System.out.println(addOddMinusEven(start,stop));

}

public static int addOddMinusEven(int start, int end){

int odd =0;

int even = 0;

for(int i =start; i<end; i++){

if(i%2==0){

even = even+i;

}

else{

odd = odd+i;

}

return odd-even;

}

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2 years ago

Which of the following statements is true? A. Interpreted programs run faster than compiled programs. B. Compilers translate hig

alina1380 [7]

Answer:

Explanation:

Computer programs are written in high level languages. Every language has its own set of syntax and semantics.

Computer only understands instructions in machine language which is written using strings of 0 and 1.

Thus, for execution of a high level language program, it is mandatory to convert high level instructions into machine instructions.

This translation into machine language is done in two ways – compilation or interpretation.

Some languages are compiled while others are interpreted.

Both compilers and interpreters are programs and process the high level language program as needed.

Compiler

Any program written in high level language is compiled.

The program is first analyzed before compilation. This process takes time. The analysis phase is called pre processing.

The program compilation stops only when the program is completely analyzed. Hence, it is difficult to locate the error in the program. This makes debugging easy.

Debugging is defined as removal of errors in the programs.

A compiler is responsible for converting high level language code into machine level code.

The complete program undergoes compilation at the same time.

A compiled program executes faster than an interpreted program.

A compiled program produce machine code which is a collection of 0 and 1, hence, it takes less time to execute.

Examples of compiled languages are C and C++.

Interpreter

Some high level languages are interpreted.

The high level language code is translated into an intermediate level code. This intermediate code is then executed.

The analysis of the program takes less time and takes place before interpretation begins. The analysis phase is called pre processing.

An interpreted program is translated one line at a time.

The program interpretation stops when an error is encountered. This makes debugging easy.

Debugging is defined as removal of errors in the programs.

Examples of interpreted languages include Python and Ruby.

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2 years ago

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You are an ISP. For the Address Block 195.200.0.0/16 a. If you have 320 Customers that need 128 addresses/customer - will there

12345 [234]

Answer:

a. The network will not satisfy the customers because the required addresses is 128 but what can be offered is 126.

b. 195.200.0.0/22

Explanation:

195.200.0.0/16

The number of bits to give 512 is 9

2^9=512

2^8=256 which is not up to our expected 320 customers that requires a network ip

Note we have to use a bit number that is equal or higher than our required number of networks.

The number of host per each subnet of the network (195.200.0.0/25) is (2^7)-2= 128-2=126

The network will not satisfy the customers because the required addresses is 128 but what can be offered is 126.

b. 64 customers requires 6 bits to be taken from the host bit to the network bit

i.e 2^6 = 64

195.200.0.0/22

The number of host per each subnet of the network (195.200.0.0/22) is (2^10)-2=1024 - 2 = 1022 hosts per subnet

This network meet the requirement " 64 customers want 128 addresses/customer "

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2 years ago