Exercise: Computers

Questions for: Computers

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
Answer: B
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Which bus is bidirectional?
A:
Address bus
B:
Control bus
C:
Data bus
D:
None of the above
Answer: C
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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
Answer: D
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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)
Answer: D
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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
Answer: A
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