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Digital Electronics - Computers

@ : Home > Digital Electronics > Computers > General Questions

Exercise

"I do not seek. I find."
- Pablo Picasso
1. 

Which of the following is not a basic element within the microprocessor?
A. Microcontroller
B. Arithmetic logic unit (ALU)
C. Register array
D. Control unit
2. 

Which method bypasses the CPU for certain types of data transfer?
A. Software interrupts
B. Interrupt-driven I/O
C. Polled I/O
D. Direct memory access (DMA)
3. 

Which of the following is not an enhancement to the Pentium that was unavailable in the 8086/8088?
A. "Pipelined" architecture
B. Expansion of cache memory
C. Inclusion of an internal math coprocessor
D. Data/address line multiplexing
4. 

Which bus is bidirectional?
A. Address bus
B. Control bus
C. Data bus
D. None of the above
5. 

DMA is particularly suited for data transfer between the ________.
A. disk drive and CPU
B. disk drive and RAM
C. disk drive and ROM
D. disk drive and I/O

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