Ways of feeding data into a computer and /or getting it out.
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Program Counter
Register which contains the instructions for the next task to be performed.
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Data Bus
Instructions are sent to the Processor (through ________) to be decoded.
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Processor
________ sends the decoded instructions as control signals using the Control Bus, to other components of the system, so that the instructions can be executed.
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Memory Unit
The unit which contains all the data to be processed and its addresses as well.
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Buffers
________ are filled from computer memory and emptied to the hardware, allowing the processor to perform other tasks in the meanwhile.
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Registers
High speed storage areas within the computer system, which are needed to store and manipulate data.
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Interrupt
A(n) ________ is sent when for example, a page is jammed in the printer, or when a software error occurs.
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Arithmetic Logic Unit
Register which allows the calculations and logic operations to be performed within the computer.
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Von Neumann System
A computer system which can store programs in a memory.
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Interrupt
It is a signal sent to the Processor from a device or software, to make the Processor temporarily stop its current operation and service another.
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Processor
The unit where data is processed and the necassary logic operations are carried out.
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Buffer
It is a temporary memory area.
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Interrupts
________ allow computers to multitask.
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Operating System(OS)
It is a computer software running in the background when the computer is on, and performs various operations
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Buses
The connections which transport data around the system and also maintain data synchronization
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Address Bus
Unidirectional Bus carrying signal related to the addresses of the memory contents
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Data Bus
Bidirectional Bus responsible for moving the data and contents of the memory around the system
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Control Bus
Unidirectional Bus carrying signals related to control and coordination of all activities in the computer
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Memory Address Register(MAR)
Address which contains the location of the memory contents
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Memory Data Register(MDR)
Register which contains the content from memory
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Arithmetic Logic Unit(ALU)
Register which allows the calculations and logic operations to be performed within the computer
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Program Counter(PC)
Register which contains the instructions for the next task to be performed
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Current Instruction Register(CIR)
Register which contains the instructions for the current task
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Memory Unit
It contains all the data to be processed and its addresses as well
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Control Unit
It controls the operation of the memory, processor and input/output devices
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Input/Output Devices
Ways of feeding data into a computer and/or getting it out
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