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20 Cards in this Set
- Front
- Back
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Hardware, in computer terms, refers to the physcial components of the computer
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True
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So far, PCs have trailed notebooks in term of speed, memory and hard disk drive capacity
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False
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New processor -making technologies let engineers increase the procesing speed of computers while enabling computers to use less energy and give off less heat
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True
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All other things being equal, the greater the clock rate the faster the machine, because it can fetch, decode, execute and store more instructions per second
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True
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Polular output devices include the keyboard, mouse, trackball, microphone and various of scanners
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False
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Storage and retrieval on sequential storage devices are slow but the devices are inexpensive which makes tapes suitable for backup purposes
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True
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The ___ is the most important part of any computer
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central processing unit
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___, also called main memory or primary memory is located near the CPU andstores data and instructions just before and immediately after the CPU processes them
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Internal memory
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___ are usually used as a shared resource, serving hundreds of users that connect to them from personal computers
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Midrange computers
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In recent years we have experienced an increasing trend of ____, building several technologies into a single piece of hardware
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technology convergence
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The ___is the maximum number of bits that the control unit can fetch from primary memory in one machine cycle
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data word
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The combination of ____ and clock rate determines throughout.
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bus width
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The___ keyboard was orginally designed to slow down typing, because early mechanical typewriters jammed when users typed too fast.
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QWERTY
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Unlike optical mark recognition ____ is often used to try to interpret handwritten and printed texts not originally designed for source data entry
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OCR technology
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Images on a monitor are made up of small dots called ___?
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pixels
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Two qualities to check when purchasing a laser or ink-jet printer are speed, measured in ___, and density measured in dots per inch DPI
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pages per minute (PPM)
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There are two basic types of access modes in data storage: _____ and direct (random) access
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sequential
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The most commom computer-related type of ____ is carpal tunnel syndrome
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RSI
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While the great capacity and low cost of CDs are applealing , the ___of magnetic hard diks is still signficantly better that that CDs and thier faster relatives DVD
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transfer rate
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Even if storage cost is not as attractive as that of CDs, potability and the fact that their ports are ubiquitous in PCs might push one toward selecting a
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usb flash drive
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