Computer Fundamentals

Daffodil International University Department of Innovation & Entrepreneurship Midterm Examination, Fall 2026 Course Code: 0611-111 Course Title: Computer Fundamentals Semester: Fall Examination: Midterm Time: 1 hour 30 minutes Full Marks: 25 Section: 32-A & 32-B & 30-A Initial: SS Answer ALL Questions [The figures in the right margin indicate the full marks and corresponding course outcomes. All portions of each question must be answered sequentially.] 1 Explain what a process is, and with the help of the process state diagram, describe how a process moves between the states. [5] 2 (a) Convert the decimal value 4792 to hexadecimal. [3] (b) Construct the logic circuit for Y = (A ⊕ B) · (C + D̄) and build its truth table. [7] 3 (a) A program spreads by copying itself from one computer to another across the office network. On each machine it appears as its own separate file instead of attaching to any existing program. Identify whether it is a worm or a virus and explain your answer. [5] (b) A company suffers a data leak. One employee handles both data entry and auditing, old printouts are dumped in open bins, and all staff share the same password. Identify the correct data security technique to fix each weakness. [5]