Practice IT Networking Questions and Answers

• How many stable states does a positive-edge-triggered D-type flip-flop have?
• What is the main disadvantage of using asynchronous (level-triggered) flip-flops in high-speed digital circuits?
• What is the primary purpose of residual connections in a deep neural network?
• In Variational Autoencoders (VAEs), what is the purpose of the "encoder" network?
• What is the primary advantage of using blockchain technology in transactions?
• What is the purpose of a "private blockchain"?
• You have a standard deck of 52 playing cards. What is the probability of drawing a red card (heart or diamond) from the deck?
• The ages of a group of 10 people are as follows: 25, 28, 30, 32, 35, 35, 38, 40, 42, and 45. Calculate the mean and median age of this group.
• How many different 3-letter words can be formed using the letters from the word "HATE2023"?
• Simplify the following Boolean expression using Boolean algebra laws: F = (A + B) * (A' + C) * (B + C)
• You have a positive-edge-triggered D flip-flop. If the current state is Q = 0 and the D input is 1, what will be the state after the clock edge?
• Arrange the following memory components in the memory hierarchy from the fastest to the slowest: Cache memory, Main memory (RAM), Hard disk.
• Given a 16-bit instruction format with 4 bits for the opcode and 12 bits for the address, calculate the maximum number of different opcodes that can be acc...
• State true or false The Arithmetic Logic Unit (ALU) is a crucial component of the CPU responsible for performing arithmetic and logical operations on data...
• State true or false Pipelining is a technique used in computer architecture to enhance instruction-level parallelism and improve the efficiency of the CPU...
• A resistor has a resistance of 100 ohms and a current of 2 amperes passing through it. Calculate the voltage drop across the resistor.
• A 240V, 10A electric heater is used. Calculate the power consumed by the heater.
• In a three-phase system, each phase has a voltage of 400V. Calculate the line voltage (phase-to-phase voltage) in the system.
• A transformer has a primary coil with 300 turns and a secondary coil with 150 turns. If the primary voltage is 240V, calculate the secondary voltage.
• State True or false TDMA is a communication technique used in wireless and digital networks to share a single channel among multiple users. In TDMA, the a...
• State true or false FDMA is a communication technique that divides the available frequency spectrum into multiple non-overlapping frequency bands. Each us...
• CDMA is a communication technique that allows multiple users to share the same frequency band simultaneously by using unique codes to differentiate their t...
• What does the complexity class P refer to?
• Which of the following statements is true regarding the class NP?
• What is the definition of an NP-hard problem?
• Which statement accurately describes an NP-complete problem?
• The Traveling Salesperson Problem is an example of which complexity class?
• What is Inter-Process Communication (IPC) in the context of computer systems?
• Which of the following is an example of a message-passing IPC mechanism?
• What is the primary advantage of using shared memory for IPC?
• Which IPC mechanism provides synchronization capabilities to prevent race conditions between processes?
• In the context of IPC, what does FIFO stand for?
• What is a deadlock in a computer system?
• Which of the following conditions must be satisfied for a deadlock to occur?
• What is a resource in the context of deadlocks?
• How can the Banker's algorithm be used to prevent deadlocks?
• Which of the following is NOT a method for handling deadlocks?
• What is the primary purpose of memory management in an operating system?
• What is the concept of "paging" in memory management?
• Which component is responsible for translating virtual addresses to physical addresses?