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The stage that precedes the implementation stage of SDLC is <u>testing</u> and it involves checking the functionality of the system.
System design involves the process of determining an overall system architecture, which typically comprises the following:
- Physical processing components.
Generally, there are seven (7) main stages in the systems development life cycle (SDLC) model and these include:
1. Planning.
2. Analysis.
3. Design.
4. Development.
5. Testing.
6. Implementation.
7. Maintenance.
From the above, we can deduce that the stage which precedes the implementation stage of SDLC is testing.
During the testing stage of SDLC, a quality assurance (QA) expert checks the system to determine whether or not it is functioning properly before it is deployed for operation, which is where the system can be used.
Read more: brainly.com/question/20813142
Answer:
JK Flip Flop
Explanation:
Flip Flops is a fundamental building blocks of digital electronics systems. It is an electronic circuit with two stable states that can be used to store binary data. However, a JK Flip Flop is a type of universal flip-flop that makes the circuit toggle between two states and is widely used in shift registers.
So when building a circuit to perform parallel data transfers from one set of registers to another, a JK Flip Flop is the best choice he register FFs when you need to hold the interconnection between the register to a minimum.
Answer:
The code is given as below: The input and output is as given for one case.
Explanation:
echo -e "Enter A, B or C : \c" #Printing the line on the screen
read -rN 1 test #read the character in the variable test
echo
case $test in #Setting up the case structure for variable test
[[:lower:]] ) #checking all lower case letters
echo You did not enter A, B or C;;
[D-Z] ) #checking upper case letters from D to Z
echo You did not enter A, B or C;;
A ) #Condition to check A
echo You entered A;;
B ) #Condition to check B
echo You entered B;;
C ) #Condition to check C
echo You entered C;;
esac #Exiting the case structure
