It is important to talk about the schedulers. What are the objectives of a scheduler that looks at the medium term?
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It is important to talk about the schedulers. What are the objectives of a scheduler that looks at the medium term?
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- Briefly describe the strategies for dealing with deadlocks."Rule 1: If Priority(A)>Priority(B), A runs (B does not") was one of the first draughts of the rules for an MLFQ scheduler. What kind of issues may this version of the rule create in terms of processes? Give the prospective issue a name and a short description.The purchasing department handles purchase requests from other departments in the company. People in the company who initiate the original purchase request are the "customers" of the purchasing department. A case worker within the purchasing department receives that request and monitor it until it is ordered and received. Case workers process the requests for purchasing products under 1500tk, write a purchase order, and then send it to the approved vendor. Purchase requests over 1500tk must first be sent out for a bid from the vendor that supplies the product. When the bids return, the case worker selects one bid. Then, the case worker writes a purchase order and sends it to the approved vendor Create an activity diagram with swimlanes.
- Create a UML Use Case Diagram for the following scenario: Scenario: CDM - Cash Deposit Machine User can do different types of transactions named withdraw, transfer or deposit cash at the CDM in association with the bank.In every transaction type, the system will validate the user.During the withdraw, insufficient funds notification may arises.Staff fills the CDM. he needs to shut down the system during filling.We should talk about the schedulers. What is a medium-term scheduler trying to accomplish?In the ER diagram for a Point of Sale system, there are entities such as Cashier, Product,Checkout, Transaction, CheckoutStand, Return, Inventory, etc. Here inventory records each storagelocation and its capacity. Sometimes, a customer may need to come back to pickup their items afterchecking out while most of the time they leave the store with their purchases. Which of the following is thebetter design for manage transactions?A) Add an attriute to transaction to indicate whether goods have been pickuped or notB) Create two subtyeps of TransactionC) Create a weak entity Pickup to link with TransactionD) Add a relationship between Transaction and Product