Archives: Answers

Answers Answer: QAM combines amplitude and phase variations to encode multiple bits per symbol (e.g., 64-QAM encodes 6 […]

Answers Answer: Bit rate = Baud rate × Bits per symbol = 10,000 × 2 = 20,000 bps. […]

Answers and Descriptions for Group 1 Answer: Wavelength = Speed / Frequency = (2×10·8) / (5×10·6) = 40 […]

Answers Answer: Time-sharing allocates CPU time slices to multiple users, enabling concurrent access and interactive use, improving responsiveness. […]

Answers Answer: The OS uses authentication (e.g., passwords), access controls (e.g., permissions), and encryption to prevent unauthorized access […]

Answers Answer: The MMU translates virtual memory addresses to physical memory addresses, enabling efficient memory management. Description: The […]

Answers Answer: A process is a program in execution, including its code, data, and system resources like memory […]

Answers Answer: File types indicate the format and purpose of files, helping the OS identify how to process […]

Answers Answer: A computer operating system (OS) is a software that manages computer hardware, software resources, and provides […]

Answers and Descriptions for Group 6 Answer: F = A’B’C + A’BC’ + AB’C’. Circuit: Three AND gates, […]

Answers and Descriptions for Group 5 Answer: Use three NOR gates: (A NOR A) = A’, (B NOR […]

Answers and Descriptions for Group 4 Answer: F = AB + BC + AC. Circuit: Three AND gates, […]