Answer:
1. Processor communication -- this involves the following tasks:
<em>a. exchange of data between processor and I/O module</em>
<em>b. command decoding - I/O module accepts commands sent from the processor. E.g., the I/O module for a disk drive may accept the following commands from the processor: READ SECTOR, WRITE SECTOR, SEEK track, etc. </em>
<em>c. status reporting – The device must be able to report its status to the processor, e.g., disk drive busy, ready etc. Status reporting may also involve reporting various errors. </em>
<em>d. Address recognition – Each I/O device has a unique address and the I/O module must recognize this address. </em>
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2. Device communication – The I/O module must be able to perform device communication such as status reporting.
3. Control & timing – The I/O module must be able to co-ordinate the flow of data between the internal resources (such as processor, memory) and external devices.
4. Data buffering – This is necessary as there is a speed mismatch between speed of data transfer between processor and memory and external devices. Data coming from the main memory are sent to an I/O module in a rapid burst. The data is buffered in the I/O module and then sent to the peripheral device at its rate.
5. Error detection – The I/O module must also be able to detect errors and report them to the processor. These errors may be mechanical errors (such as paper jam in a printer), or changes in the bit pattern of transmitted data. A common way of detecting such errors is by using parity bits.
Answer:
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Explanation:
Answer:
i think A. is the answer but if it isn't B. Taking courses through the GI Bill is correct
Explanation:
i have multiple friends that are recruiters and i'm in rotc.
Answer:
Use font colors that work well with your background.
Select font sizes that are appropriate for your delivery method.
Fonts should be appropriate for your audience.
Limit the number of fonts you use to three or four.
Hope this helps!
Answer:
#include <iostream>
using namespace std;
class BankAccount {
string name = name;
double balance = balance;
BankAccount( string name, double balance ) {
string name = name;
double balance = balance;
return 0;
}
string getName( ){
return name;
}
double getbalance( ) {
return balance;
void setName( string username){
name = username;
}
void setbalance( double newBalance){
balance = newBalance;
}
int main( ) {
BankAccount user1(John, 0.0);
BankAccount user2(Jane, 0.0);
user1.setbalance( 2300.00)
user2.setbalance( 4300.00)
cout << user1.getname() << user1.getbalance();
cout << user1.getname() << user1.getbalance();
}
Explanation:
The C source code above using a class to create a data structure of a bank account user name and balance. The attribute name and balance are private to the class and can be retrieved and modified through the get and set methods.
