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RENE - Quiz
Contributed by: Landicho
  • 1. What is the main function of the processor in the computer system?
A) Execute instruction and process dat
B) Provide timing signals for the system
C) Store permanent files on the hard drive
  • 2. Which logic gate produces an output of 1 when all the inputs are 1?
A) AND
B) OR
C) NOT
  • 3. What is the basic unit of digital information?
A) Byte
B) Qubit
C) Bit
  • 4. What component of the processor performs logic and arithmetic operations?
A) Control Unit
B) Cache Memory
C) ALU
  • 5. . What type of memory is close to the CPU and provides very fast access?
A) Flash Drive
B) Cache
C) Hard Disk Drive
  • 6. What is the primary function of a control unit?
A) Direct and coordinate processor operations
B) Perform logical operations for binary signals
C) Store permanent program instructions
  • 7. How is a register defined in a computer system?
A) A small, high-speed memory located inside the CPU
B) An external peripheral device
C) A large permanent storage device
  • 8. What number system is predominantly used in digital logic?
A) Octal
B) Binary
C) Decimal
  • 9. What is the output of an AND gate when its inputs are 1 and 1?
A) 0
B) 1
  • 10. What is the output of an OR gate when all the inputs are 0?
A) 1
B) 0
  • 11. What is the output of a NOT gate when the input is 1?
A) 0
B) 1
  • 12. Which processor components store data and provide immediate results?
A) Control Unit
B) Cache
C) Register
  • 13. What is a logic circuit?
A) A circuit that performs logical operations for binary signals
B) A pathway for electric current in power lines
C) A sensor for measuring hardware temperature
  • 14. What logic gate produces a 1 when its inputs are different?
A) NOR
B) XOR
C) AND Gate of heaven
  • 15. What logic gate produces the opposite output of an OR gate?
A) NOR
B) XOR
C) NOT
  • 16. What logic gate produces the opposite output of an AND gate?
A) AND
B) OR
C) NAND
  • 17. How many possible values can a single binary bit have
A) 2
B) 1
C) 8
  • 18. What device is used to synchronize processor operations?
A) Register
B) Clock
C) ALU
  • 19. What is the purpose of the system clock?
A) Provide timing signal for processor and operation
B) To keep track of the current date and time for files
  • 20. What is an instruction set?
A) Collection of instructions a processor can execute
B) A manual on how to build a computer motherboard
C) A set of rules for connecting to the internet
  • 21. How is a digital system?
A) It uses only analog signals for fast transmission
B) ) It processes operations of discrete values
  • 22. What is the difference between Digital and Analog based on the notes?
A) Digital uses discrete values (binary, on/off, true/false) while analog uses continuous values (e.g., temperature)
B) Analog uses true/false while digital uses temperature
  • 23. What is the definition of a Logic Gate?
A) A program used for pipelining
B) A basic circuit that performs a logical operation on one or more binary inputs and produces an output
  • 24. What is the formula for calculating Truth Tables according to your notes
A) 2n
B) 2n
  • 25. Which of the following are referred to as "Primary Operations" in Boolean Algebra?
A) AND, OR, NOT
B) NAND, NOR, XOR
  • 26. What is the correct order of Precedence in Boolean Algebra?
A) 1. AND, 2. OR, 3. NOT, 4. Parenthesis
B) 1. Parenthesis, 2. NOT, 3. AND, 4. OR
  • 27. According to the Common Laws of Boolean Algebra, what are the results of the Identity Law for Addition (A + 0 = ?) and Multiplication A x 1 = ?)?
A) A and A
B) 1 and 0
  • 28. What law states that A + \bar{A} = 1(Addition) and A \cdot \bar{A} = 0(Multiplication)?
A) idempotent Law
B) Complement Law
  • 29. How is a Combinational Circuit?
A) A digital circuit where the output depends only on the current inputs
B) A circuit whose output can depend on the previous state
  • 30. What is the primary function of a Decoder?
A) Converts coded binary input into one of several output lines (e.g., 2 to 4 decoder has 2 inputs and 4 outputs)
B) Carries data bus signals to memory
  • 31. what is the definition of Processor Design?
A) The process of designing the internal hardware structure and operational behavior of a processor so it can execute machine instructions
B) B) The manufacturing of external monitors and keyboard
  • 32. What is the role of the Program Counter (PC)?
A) It sends control signals via the control bus
B) It holds the address of the next instruction
  • 33. What does Datapath mean inside a processor?
A) The network cable connected to the internet
B) A collection of hardware components through which data moves inside the processor (from register to ALU to register)
  • 34. What are the two main responsibilities of the ALU (Arithmetic Logic Unit)?
A) Performing arithmetic and logic operations
B) Converting digital signals to analog signals
  • 35. What does the Control Unit (CU) do inside the CPU?
A) Acts as a coordinator or manager that gives instructions and directs processor operations
B) Directly stores permanent files on the hard driv
  • 36. What are the three main types of Buses
A) Register Bus, ALU Bus, Clock Bus
B) Data Bus, Address Bus, Control Bus
  • 37. What are the three types of Pipelining Hazards
A) Bit Hazard, Gate Hazard, Clock Hazard
B) Structural Hazards, Data Hazards, Control Hazards
  • 38. How can one of the hazards in pipelining be solved
A) By replacing the control unit with a decoder
B) By using forwarding
  • 39. How do Sequential Circuits differ from Combinational Circuits?
A) Sequential circuits do not use logic gates
B) Sequential circuits can depend on the previous state
  • 40. What is the primary purpose of Branch Prediction in processor execution?
A) To permanently store data in secondary storag
B) To attempt to predict which path the program will take
  • 41. In branch prediction control flow, what happens during a "predicted taken" scenario?
A) instruction B is executed
B) Instruction A is executed
  • 42. . How does "Memory" differ from "Storage"
A) Memory stores items for short-term access during program execution, while storage is for long-term data storage
B) There is no functional difference between them
  • 43. What does the term "Out-of-Order Execution" refer to in advanced processor design (based on your tracking table with instructions I1, I2, I3)?
A) Using virtual memory pages as frame
B) Instructions waiting and moving to "Ready" state based on dependency rather than strict program sequence
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