निम्नलिखित में से कौन सा ग्राफिकल प्रतीक विंडोज में कंप्यूटर डेस्कटॉप पर प्रोग्राम, एप्लिकेशन या किसी आइटम, फ़ाइल या फ़ोल्डर के शॉर्टकट को संदर्भित करता है?

Consider a system with four processes and four resources: P1 holds R1 and requests R2 P2 holds R2 and requests R3 P3 holds R3 and requests R4 P4 holds R4 and requests R2 Each resource has exactly one instance. Which statement is correct?

A system has 18 instances of a single resource type, shared among n processes. If each process requires at most 5 instances, what is the maximum value of n for which the system can guarantee that a deadlock will never occur?