15 Questions
What are some characteristics of the Von Neumann architecture that make it inefficient?
Programs and data stored in a single sequential memory, no explicit distinction between data and instruction representations, memory access bottleneck, linearization of data structures.
How does the presence of multiple buses in a computer system affect its throughput?
Multiple buses allow simultaneous operations, leading to higher throughput compared to single-bus architectures.
Why is a speed-cost tradeoff necessary when deciding on a system structure with multiple buses?
The system complexity increases with multiple buses, requiring a tradeoff between speed and cost.
What are the components of a von Neumann machine according to the structure of EDVAC?
Input device, storage unit, arithmetic unit, control unit, output device
Who is credited for developing the stored-program concept?
Von Neumann
What is the primary contribution of Wilkes to computer architecture?
Introduced the concept of primary and secondary memory hierarchy
Describe the structure of the von Neumann model.
Memory unit, ALU, control unit, I/O unit
What are the components of the memory unit in a von Neumann machine?
Memory Address Register (MAR) and Memory Buffer Register (MBR)
What is the significance of the rewiring of the control board in the early computers?
Necessary for each computation sequence
What is the unit of data that can be read or written in a computer's memory?
Memory word
Which component of the computer system retains the results of arithmetic and logic operations?
Accumulator (ACC)
What does the Program Counter (PC) contain?
Address of the instruction to be fetched
How are the components of a computer system interconnected?
By a multiple-bus structure
What subsystem in a computer typically includes the ALU, control unit, and various processor registers?
Processor subsystem (CPU)
What lines are included in the system bus that connects the processor, memory, and I=O subsystems?
Data, address, control, and status lines
Explore the history of stored-program computers including the development of EDVAC and EDSAC by John von Neumann and Wilkes. Learn about the concept of primary and secondary memory hierarchy in early computers.
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