11. Amdahls Law states that the overall ____________ of a computer system depends

both on the speedup in a particular component and how much that component is used

by the system.

A). performance

B). speedup

C). throughput

D). degradation

12. A data transmission mode that transmits bytes between a host and a peripheral device

by sending one bit at a time is called ___________________________.

A). serial transmission

B). asynchronous transmission

C). parallel transmission

D). attenuation transmission

13. ______________are divisions of concentric circles called tracks in disk drives.

A). Sectors

B). Segments

C). Paths

D). Symmetry

14. Compared to programmed I/O, a simpler and more elegant approach to I/O control is

memory-mapped I/O because I/O devices and main memory share the ___________.

A). same memory space

B). same address space

C). same register

D). same interface

15. Electrical signal loss over time or distance during data transfer is called an

_______________.

A). attention

B). attribute

C). attenuation

D). attestation

16. _____________ is a classification for software that provides services above the

operating system layer and below the application program layer.

A). Hardware

B). Software

C). Middleware

D). Coreware