Source ________ contains instructions written by a programmer specifying the actions to be performed by computer software.

Let's assume that the smallest possible message is 64 bytes (including the 33-byte overhead). if we use 100base-t, how long (in

Ostrovityanka [42]

As we know that 10-bAse data travels at the rate of 10 mbps, therefore at 1 sec we have 10240 bytes.

We have to calculate for 64 bytes travelling in one second. Multiply both sides by 64.

64 sec = 10240 x 64 bytes

64 bytes = 64 / 10240 sec

Now we have to calculate for light of speed

1 sec = 186000 miles

Substitute this value to the formula above

64 bytes = 64 / 10240 x 1 sec = 64 / 10240 x 186000 miles = 64 / 10240 x 186000 x 5280 feet = 6138x10^3 feet

Therefore, 64 bytes is equal to 6138 x 10^3 feet long message

3 0

3 years ago

How could each of the two-proposed changes decrease the size of an mips assembly program? On the other hand, how could the propo

Phoenix [80]

Based on the question attached, the Number of bits that is needed to address a register is 7 bits.

<h3>3. How could the proposed change increase the size of an mips assembly program?</h3>

The two-proposed changes decrease the size of an mips assembly program because a lot of complicated operations will need to be put in place or implemented in one instructions instead of numerous instructions due to the lowered register leaking issue. The program's size will be therefore be lowered as a result of this issue.

The proposed change will increase the size of an mips assembly program because The size of the instruction word will then be brought up or raised if the required bits are added to the opcode and that of the register fields, which will bring up the size of the programmed.

In the MIPS register file;

The Number of MIPS registers = 128

The Number of bits needed = log₂128

The Number of bits needed = 7 bits

So Increasing number bits for opcode will be = (6 + 2)

= 8

Therefore the answers to question one:

1. R-type instruction

Op-code = 6 bits

rs = 5 bits

rt = 5 bits

rd = 5 bits

shamt = 5 bits

funct = 6 bits

Hence, the size of the opcode field will be go up by two bits, to eight bits and the size of the rs ,rt, and rd fields is also go up to 7 bits.

For question 2 which is I-type instruction, there is:

Op-code = 6 bits

rs = 5 bits

rt = 5 bits

Immediate = 16 bits

Hence, The size of the opcode field will also go up by two bits, to eight bits and the size of the rs, rt fields will is also go up to 7 bits.

Therefore, Based on the question attached, the Number of bits that is needed to address a register is 7 bits.

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See full question below

Assume that we would like to expand the MIPS register file to 128 registers and expand the instruction set to contain four times as many instructions. 1. How this would this affect the size of each of the bit fields in the R-type instructions? 2. How this would this affect the size of each of the bit fields in the I-type instructions? 3. How could each of the two proposed changes decrease the size of an MIPS assembly program? On the other hand, how could the proposed change increase the size of an MIPS assembly program?

6 0

2 years ago

the administrator in an Exchange Server needs to send digitally signed and encrypted messages. What should the administrator use

pantera1 [17]

In the above scenario of Exchange Server, the administrator should use S/MIME.

<h3>What is S mime tells?</h3>

S/MIME is a short form of the word Secure/Multipurpose internet Mail Extensions. This is known to be a famous and well used protocol that is often employed in transferring or sending digitally signed and encrypted messages.

Note that the S/MIME is often used in Exchange Online as it helps to give a lot of services for email messages such as Encryption.

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4 0

2 years ago

Create an application named SalesTransactionDemo that declares several SalesTransaction objects and displays their values and th

crimeas [40]

Answer:

Explanation:

The following code is all written in Java, first I will add the object initialization and declaration code that can be added to the main method of any program. Then I have also written the entire SalesTransaction class as the question was not clear as to exactly which was needed.

//Object Creation to copy and paste into main method

SalesTransaction sale1 = new SalesTransaction("Gabriel", 25, 5);

SalesTransaction sale2 = new SalesTransaction("Daniela", 5);

SalesTransaction sale3 = new SalesTransaction("Jorge");

//SalesTransaction class with three constructors

package sample;

class SalesTransaction {

String name;

int salesAmount, commission;

private int commissionRate;

public SalesTransaction(String name, int salesAmount, int rate) {

this.name = name;

this.salesAmount = salesAmount;

this.commissionRate = rate;

commission = salesAmount * rate;

}

public SalesTransaction(String name, int salesAmount) {

this.name = name;

this.salesAmount = salesAmount;

this.commissionRate = 0;

}

public SalesTransaction(String name) {

this.name = name;

this.salesAmount = 0;

this.commissionRate = 0;

}

8 0

3 years ago

______ provide visual representations of the options available for a given command

anygoal [31]

The visual representations is provided by the Gallery in the computer system.

Basically, gallery means the collection of pictures in a Computer.

Gallery is what enables systematic display and the management of distinct images in the computer.

A very good illustration is use of Clipart images. It is a ready made picture gallery available in the computer.

Every function on computer are represented with an icon, the icon images are enable through the Gallery.

In conclusion, the Visual representations of the options available for a given command is provided by the Gallery.