the machine set of code instructions used by a CPU.

the used by a CPU complete set of machine code instructions used by a CPU.

different methods of using the operand part of a machine code instruction as a memory address.

Von Neumann architecture

computer architecture which introduced the concept of the stored program in the 1940s.

component in the processor which carries out all arithmetic and logical operations.

produces timing signals on the control bus to ensure synchronisation takes place.

Arithmetic logic unit (ALU)

component in the processor which carries out all arithmetic and logical operations.

allows data to be carried from processor to memory (and vice versa) or to and from input/output devices.

produces timing signals on the control bus to ensure synchronisation takes place.

ensures synchronisation of data flow and programs throughout the computer by sending out control signals along the control bus.

component in the processor which carries out all arithmetic and logical operations.

computer architecture which introduced the concept of the stored program in the 1940s.

produces timing signals on the control bus to ensure synchronisation takes place.

Immediate access store (IAS)

holds all data and programs needed to be accessed by the control unit.

used to describe a bus in which bits can travel in both directions.

clock speeds are measured in terms of GHz; this is the vibrational frequency of the clock which sends out pulses along the control bus a 3.5 GHZ clock cycle means 3.5 billion clock cycles a second.

temporary general purpose register which stores numerical values at any part of a given operation.

indicates the status of a bit in the status register, for example, N = 1 indicates the result of an addition gives a negative value.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

used when an instruction requires some form of arithmetic or logical processing.

used when an programmer requires some form of arithmetic or logical processing.

computer architecture which introduced the concept of the stored program in the 1940s.

used when an instruction requires a Status register

component in the processor which carries out all arithmetic and logical operations.

indicates the status of a bit in the status register, for example, N = 1 indicates the result of an addition gives a negative value.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

group of bits used by a computer to represent a single unit.

carries the addresses throughout the computer system.

allows data to be carried from processor to memory (and vice versa) or to and from input/output devices.

allows processor to memory (and vice versa) or to and from input/output devices.

carries signals from control unit to all other computer components.

allows data to be carried from processor to memory (and vice versa) or to and from input/output devices.

carries the addresses throughout the computer system.

used to describe a bus in which bits can travel in one direction only.

different methods of using the operand part of a machine code instruction as a memory address.

used to describe a bus in which bits can travel in both directions.

produces timing signals on the control bus to ensure synchronisation takes place.

computer architecture which introduced the concept of the stored program in the 1940s.

holds all data and programs needed to be accessed by the control unit.

group of bits used by a computer to represent a single unit.

component in the processor which carries out all arithmetic and logical operations.

carries the addresses throughout the computer system.

used to describe a bus in which bits can travel in one direction only.

clock speeds are measured in terms of GHz; this is the vibrational frequency of the clock which sends out pulses along the control bus a 3.5 GHZ clock cycle means 3.5 billion clock cycles a second.

holds all data and programs needed to be accessed by the control unit.

changing the clock speed of a system clock to a value higher than the factory/recommended setting.

indicates the status of a bit in the status register, for example, N = 1 indicates the result of an addition gives a negative value.

used to describe a bus in which bits can travel in both directions.

produces timing signals on the control bus to ensure synchronisation takes place.

component in the processor which carries out all arithmetic and logical operations.

ensures synchronisation of data flow and programs throughout the computer by sending out control signals along the control bus.

group of bits used by a computer to represent a single unit.

carries signals from control unit to all other computer components.

a high speed auxiliary memory which permits high speed data transfer and retrieval.

component in the processor which carries out all arithmetic and logical operations.

used to describe a bus in which bits can travel in both directions.

a unit made up of ALU, control unit and registers which is part of a CPU. A CPU may contain a number of cores.

computer architecture which introduced the concept of the stored program in the 1940s.

indicates the status of a bit in the status register, for example, N = 1 indicates the result of an addition gives a negative value.

used to describe a bus in which bits can travel in both directions.

carries the addresses throughout the computer system.

used when an instruction requires some form of arithmetic or logical processing.

holds all data and programs needed to be accessed by the control unit.

ensures synchronisation of data flow and programs throughout the computer by sending out control signals along the control bus.

external connection to a computer which allows it to communicate with various peripheral devices. A number of different port technologies exist.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

Universal Serial Bus (USB)

a type of port connecting devices to a computer.

Asynchronous serial data transmission

serial refers to a single wire being used to transmit bits of data one after the other. Asynchronous refers to a sender using its own clock/timer device rather sharing the same clock/timer with the recipient device.

used when an instruction requires some form of arithmetic or logical processing.

group of bits used by a computer to represent a single unit.

component in the processor which carries out all arithmetic and logical operations.

High definition multimedia interface (HDMI)

type of port connecting devices to a computer.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

carries the addresses throughout the computer system.

computer architecture which introduced the concept of the stored program in the 1940s.

Video Graphics Array (VGA)

type of port connecting devices to a computer.

temporary general purpose register which stores numerical values at any part of a given operation.

High bandwidth digital copy protection (HDCP)

part of HDMI technology which reduces risk of piracy of software and multimedia.

group of bits used by a computer to represent a single unit.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

ensures synchronisation of data flow and programs throughout the computer by sending out control signals along the control bus.

a cycle in which instructions and data are fetched from memory and then decoded and finally executed.

indicates the status of a bit in the status register, for example, N = 1 indicates the result of an addition gives a negative value.

a register used in a computer to store the address of the instruction which is currently being executed.

clock speeds are measured in terms of GHz; this is the vibrational frequency of the clock which sends out pulses along the control bus a 3.5 GHZ clock cycle means 3.5 billion clock cycles a second.

produces timing signals on the control bus to ensure synchronisation takes place.

Current instruction register

a register used to contain the instruction which is currently being executed or decoded.

computer architecture which introduced the concept of the stored program in the 1940s.

used to describe a bus in which bits can travel in both directions.

component in the processor which carries out all arithmetic and logical operations.

Register Transfer Notation (RTN)

short hand notation to show movement of data and instructions in a processor, can be used to represent the operation of the fetch execute cycle.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

different methods of using the operand part of a machine code instruction as a memory address.

signal sent from a device or software to a processor requesting its attention; the processor suspends all operations until the interrupt has been serviced.

different methods of using the operand part of a machine code instruction as a memory address.

temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch execute cycle.

component in the processor which carries out all arithmetic and logical operations.

all interrupts are given a priority so that the processor knows which need to be serviced first and which interrupts are to be dealt with quickly.

carries signals from control unit to all other computer components.

ensures synchronisation of data flow and programs throughout the computer by sending out control signals along the control bus.

CS Chapter 4 Processors Key terms words ALL

Authored by Michael Harrington

Instructional Technology

11th Grade

Used 2+ times

CS Chapter 4 Processors Key terms words ALL

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MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Machine code

the programming language that the CPU uses.

mode of addressing in which the contents of the memory location in the operand are used, which is the same as absolute addressing.

mode of addressing used in assembly language programming, where a label is used instead of a value.

mode of addressing in which the contents of the memory location found by adding the contents of the index register (IR) to the address of the memory location in the operand are used.

mode of addressing in which the memory address used is the current memory address added to the operand.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Instruction

a single operation performed by a CPU.

the part of a machine code instruction that identifies the data to be used by the CPU.

mode of addressing in which the contents of the contents of the memory location in the operand are used.

mode of addressing used in assembly language programming, where a label is used instead of a value.

a computer program before translation into machine code.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Assembly language

a low level chip/machine specific programming language that uses mnemonics.

short for operation code, the part of a machine code instruction that identifies the action the CPU will perform.

mode of addressing used in assembly language programming, where a label is used instead of a value.

the complete set of machine code instructions used by a CPU.

the programming language that the CPU uses.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Opcode

short for operation code, the part of a machine code instruction that identifies the action the CPU will perform.

mode of addressing used in assembly language programming, where a label is used instead of a value.

a single operation performed by a CPU.

mode of addressing used in assembly language programming, where a label is used instead of a value.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Operand

the part of a machine code instruction that identifies the data to be used by the CPU.

a computer program after translation into machine code.

the complete set of machine code instructions used by a CPU.

mode of addressing used in assembly language programming, where a label is used instead of a value.

mode of addressing in which the value of the operand only is used.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Source code

a computer program before translation into machine code.

mode of addressing used in assembly language programming, where a label is used instead of a value.

short for operation code, the part of a machine code instruction that identifies the action the CPU will perform.

mode of addressing used in assembly language programming, where a label is used instead of a value.

a low level chip/machine specific programming language that uses mnemonics.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Assembler

a computer program that translates programming code written in assembly language into machine code. Assemblers can be one pass or two pass.

mode of addressing used in assembly language programming, where a label is used instead of a value.

short for operation code, the part of a machine code instruction that identifies the action the CPU will perform.

mode of addressing in which the contents of the memory location found by adding the contents of the index register (IR) to the address of the memory location in the operand are used.

mode of addressing used in assembly language programming, where a label is used instead of a value.

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CS Chapter 4 Processors Key terms words ALL

Machine code

Instruction

Assembly language

Opcode

Operand

Source code

Assembler

Instruction set

Object code

Addressing modes

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