For machine code instructions, the operands can be:

[<$>] Source operand or destination operand or both source and destination operands or no operand

[<$>] At least two operands (source operand and destination operand)

[<$>] Indicates the destination operand

Regarding the stack, which of the following statements is false:

[<$>] Is a memory area with FIFO structure (First In - First Out)

[<$>] When adding data to the stack, the stack pointer will decrease

[<$>] The stack pointer always points to the top of the stack

[<$>] Is a memory area with LIFO structure (Last In - First Out)

Regarding machine code instructions, which of the following statements is false:

[<$>] The operand indicates the operation to perform

[<$>] Machine instructions include two components: operation code and operands

[<$>] The opcode indicates the operation that the processor needs to perform

[<$>] The operand indicates where the data to be affected is located

For data registers (in the CPU), which of the following statements is false:

[<$>] Only contains data from the stack memory area

[<$>] Multiple data registers are required

[<$>] Contains temporary data or intermediate results

[<$>] Integer or floating point registers

Considering the process of receiving data from the CPU, the order of execution is:

[<$>] Address -> Memory compartment -> Register set

[<$>] Memory compartment -> Register set -> Address

[<$>] Address -> Register set -> Memory compartment

[<$>] Register set -> Address -> Memory compartment

For the control block (in the CPU), which of the following statements is correct:

[<$>] Decodes the command transferred from the incoming command register

[<$>] Decodes the command passed from the incoming status register

[<$>] Does not receive signals from external devices

[<$>] Receive incoming signals from CPU

Regarding registers (in the CPU), which of the following statements is false:

[<$>] The programmer can change all the contents of the registers

[<$>] Is the first level of the memory system

Regarding address registers (in the CPU), which of the following statements is false:

[<$>] The command area does not need a management register

[<$>] The stack pointer register contains the address of the stack area

[<$>] Command area management program counter

[<$>] Data pointer register manages data area

Considering the stages of executing an instruction of the processor, which order is correct?

[<$>] Receive command -> Decode command -> Receive data -> Process data -> Write data

[<$>] Receive command -> Receive data -> Decode command -> Process data -> Record data

[<$>] Receive data -> Process data -> Receive commands -> Decode commands -> Write data

[<$>] Decode command -> Receive data -> Process data -> Write data -> Receive command

For a machine code instruction that includes 1 operand, which of the following statements is correct:

[<$>] One operand specified in the instruction can be the source operand or can be the destination operand and the other operand is the implicit operand

[<$>] The operand specified in the instruction is the destination operand

[<$>] The operand specified in the instruction is the source operand

[<$>] The operand specified in the instruction is an implicit operand

For registers (in the CPU), which of the following statements is correct:

[<$>] There are two types of registers (programmable registers and non-programmable registers)

[<$>] Register containing computer software program

[<$>] All registers are non-programmable

[<$>] All registers are programmable

What is the function of a microprocessor in a computer?

[<$>] Read data from memory, process each command and write results to memory or peripheral devices

[<$>] Controls the operation of peripheral devices

[<$>] Read data from peripheral devices and write to memory

[<$>] Read data from memory and write to peripheral devices

Which of the following is not a characteristic of RISC computers:

[<$>] Multiple ways to execute instructions through multiple addressing modes

[<$>] Commands have a fixed length

[<$>] Instruction execution time is one machine cycle

For the stack pointer register SP - Stack Pointer (in CPU), which of the following statements is false:

[<$>] The stack pointer always points to the bottom of the stack

[<$>] The stack pointer contains the address of the top memory location of the stack

[<$>] When adding data to the stack, the stack pointer will decrease

[<$>] When removing data from the stack, the stack pointer will increase

For a machine code instruction consisting of 3 operands, which of the following statements is correct:

[<$>] Two source operands, one destination operand

[<$>] Two destination operands, one source operand

[<$>] Three destination operands

For the arithmetic and logic calculation block -ALU (in CPU), which of the following statements is correct:

[<$>] Perform arithmetic operations and perform logical operations

[<$>] Perform arithmetic operations

[<$>] Perform logical operations

Considering the process of receiving instructions from the CPU, the order of execution is:

[<$>] Program counter-> Memory -> Instruction register

[<$>] Memory -> Program counter -> Instruction register

[<$>] Memory -> Instruction register -> Program counter

[<$>] Program counter-> Instruction register-> Memory

Which of the following is not a characteristic of RISC computers:

[<$>] Commands have variable length

[<$>] CPU has a large register set

[<$>] are all designed as command pipelines

For the PC - Program Counter registers (in the CPU), which of the following statements is false:

[<$>] Contains the code being executed

[<$>] Also known as IP command pointer - Instruction Pointer

[<$>] After a command is received, the PC content automatically advances to point to the next command

[<$>] Holds the address of the next command to be received

For machine code instructions, which of the following statements is correct:

[<$>] Machine instructions can have multiple operands

[<$>] Machine instructions can have many command codes

[<$>] Operands in machine instructions are unique

[<$>] Machine instructions do not exist. Instructions without operands exist

Regarding registers (in the CPU), which of the following statements is false:

[<$>] There is only one type of flag (Control flag)

[<$>] The status register is also called the flag register

[<$>] There are two types of flags (Operation flags and control flags)

[<$>] Status register contains CPU processing status information

Regarding the function of the control block (in the CPU), which of the following statements is false:

[<$>] Transports instructions from register to memory

[<$>] Emit command execution control signals

[<$>] Control receives the next command from memory, puts it in the command register

For the Sign – SF flag in the status register (in the CPU), its meaning is:

[<$>] Set to 1 when the result of the operation is different from 0

For registers (in the CPU), which of the following is incorrect to classify registers according to function:

[<$>] CPU control and status register

Which of the following is not a characteristic of RISC computers:

[<$>] The number of commands is large

[<$>] Instruction execution time is one machine cycle

[<$>] Most instructions access operands in registers

[<$>] Commands have a fixed length

Which statement below is false?

[<$>] The processor is composed of two components ALU and CU

[<$>] The processor controls the operation of the computer

[<$>] The processor operates according to a program located in the computer's memory

[<$>] The processor is composed of 5 components CU, ALU, RF, BIU, and internal Bus

Considering the control signals from the CPU to the system bus, which of the following statements is correct:

[<$>] Controls read/write memory compartment

[<$>] Controls data transfer from ALU to registers

[<$>] Controls data transfer to ALU

[<$>] Controls reading data from ALU

Considering the data processing stage of the CPU, the order of execution is:

[<$>] Arithmetic and logic unit (ALU) -> Perform mathematical operations -> Data register

[<$>] Perform math operations -> Data registers -> Arithmetic and logic unit (ALU)

[<$>] Perform math operations -> Arithmetic and logic unit (ALU) -> Data register

[<$>] Arithmetic and logic unit (ALU) -> Data register -> Perform mathematical operations

For ALU (in CPU), which of the following statements is false:

[<$>] Perform square root operation

[<$>] Performs comparison of two operands

[<$>] Perform addition and subtraction

For address registers (in the CPU), which of the following statements is correct:

[<$>] There are at least 3 types (Program Counter – PC; Data Pointer – DP; Stack Pointer – SP)

[<$>] There are more than 4 types

[<$>] There are 2 types (Program counter – PC; Data pointer – DP)

[<$>] Only one type ( Program counter – PC)

Considering the process of writing (storing) data of the CPU, the order of execution is:

[<$>] Address -> Register set -> Memory compartment

[<$>] Address -> Memory compartment -> Register set

[<$>] Register set -> Memory compartment -> Address

[<$>] Register set -> Address -> Memory compartment

For data registers (in the CPU), which of the following statements is correct:

[<$>] Contains temporary data or intermediate results

[<$>] Contains addresses of memory locations that carry data

[<$>] Contains both data and the addresses of operands in calculation instructions

[<$>] Contains data related to command control information

For registers (in the CPU), which of the following statements is correct:

[<$>] There are types of registers that cannot be programmed

[<$>] Contains the status of peripheral devices

[<$>] All registers are programmable

[<$>] The command register contains the command code that has just been processed

For DP - Data Pointer data pointer registers (in CPU), which of the following statements is correct:

[<$>] Contains the address of the data memory location that the CPU wants to access

[<$>] Holds the address of the next instruction to be executed

[<$>] Contains data of the command being executed

[<$>] Contains the code being executed

Which of the following is not a characteristic of RISC computers:

[<$>] Commands have a fixed length

[<$>] CPU has a large register set

[<$>] Most instructions access operands in registers

pahc 4

Authored by Minh dbdb

Computers

University

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the control block (in the CPU), which of the following functions is correct:

[<$>] Increments the contents of the PC to point to the next command

[<$>] Perform sign inversion

[<$>] Contains temporary information for current CPU operations

[<$>] Perform arithmetic and logic operations

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What components are included in the EU block in the microprocessor?

[<$>] Arithmetic and Logic Unit (ALU) and Control Unit (CU)

[<$>] Arithmetic and logic unit (ALU), Control unit (CU) and command line

[<$>] Arithmetic and logic unit (ALU) and command line

[<$>] Arithmetic and Logic Unit (ALU), Control Unit (CU) and Registers (RF)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Considering the control signals from the system bus to the CPU, which of the following statements is correct:

Interrupt accept signal

Interrupt signal

Memory compartment write control signal

Memory compartment read control signal

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The processor receives instructions at:

[<$>] Memory or peripheral device

[<$>] Peripheral devices

[<$>] Central processing unit (CPU)

[<$>] Memory

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the empty flag Zero - ZF in the status register (in the CPU), its meaning is:

[<$>] Set to 1 when the result of the operation is 0

[<$>] Set to 1 when the result of the operation is greater than 0

[<$>] Set to 1 when the result of the operation is less than 0

[<$>] Set to 1 when the result of the operation is remembered

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Considering the control signals inside the CPU, which of the following statements is correct:

[<$>] Controls data transfer from memory to peripheral devices

[<$>] Controls data transfer from ALU to memory

[<$>] Controls data transfer from register to ALU

[<$>] Controls data transfer from CPU to ALU

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Regarding the Carry – CF flag in the status register (in the CPU), which of the following statements is correct:

[<$>] Set to 1 if the operation has no carry beyond the highest bit

[<$>] Set to 1 if the operation carries beyond the highest bit

[<$>] This is the overflow flag for signed numbers

[<$>] Do not set to 1 when the operation carries beyond the highest bit

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