Which of the following is NOT a major function of a computer?
A. input;
B. processing;
C. output;
D.
retrieval.
Unprocessed facts or figures are known as:
A.
data;
B. information;
C. records;
D. archives.
The activity of writing algorithms for computers is called:
A. compiling;
B.
programming;
C. coding;
D. processing.
Which of the following statements about primary storage is NOT true?
A. EPROM does not need constant power to function.
B.
A megabyte of
RAM can store a billion characters of text.
C. The time for RAM to read or write data is measured in nanoseconds.
D. Data loss will occur if RAM does not have constant power.
One of the first uses of personal computers in business and government was:
A. to distribute electronic mail.
B.
to project
the effect of interest rates.
C. to facilitate video conferencing.
D. to develop Gantt charts.
A disadvantage of using presentation software instead of physical slides is:
A. it takes longer to create the presentation.
B. it is more difficult to organize the presentation.
C. distribution of the presentation is not possible.
D.
the
presentation may overshadow the content.
Which of the following items is NOT associated with project management software?
A. Gantt or Pert charts
B. milestones
C. resources
D.
assets
In distance education, online meetings that take place at the same time are called:
A. concurrent
B. simultaneous.
C.
synchronous.
D. instantaneous.
A series of two-dimensional x-ray images, combined by computer to produce three-dimensional images is known as:
A. Magnetic Resonance Imaging.
B.
Computer
Aided Tomography.
C. Positron Emission Tomography.
D. Ultrasound.
Tracking prescriptions, office visits, and insurance claims is one way computers can help to organize:
A. pharmaceutical expenses.
B. treatment options.
C. diagnostic testing.
D.
medical
records.
Operator fatigue and discomfort is:
A. the cause of poor posture.
B. blamed for 70 percent of worker’s compensation claims.
C.
reduced or
alleviated by good ergonomic design.
D. the result of vertical and horizontal alignment.
At a minimum, a good office chair will have:
A. fixed armrests.
B.
adjustable
height and back.
C. an extendible footrest.
D. neck and lumbar supports.
An advantage of liquid crystal display technology is:
A. the pricing is more affordable.
B. they can be easily viewed from all areas of the workspace.
C.
thinner
monitors provide more placement choices.
D. contrast and brightness controls are more advanced.
The human body is bilateral, which means:
A.
the right and
left sides of the body are mirror images.
B. the right and left sides of the brain control different functions.
C. we walk upright on two legs.
D. the center line of the body is asymmetrical.
In a 2002 report issued by the U.S. Department of Commerce, what percentage of children in the U.S. between the ages of 5 and 17 use computers?
A. 44 percent
B. 65 percent
C.
90 percent
D. 99 percent
Another finding of the 2002 U.S. Department of Commerce report on Internet usage in the U.S. shows:
A. Internet use is rising fastest among whites and Asians.
B. over 75 percent of Americans use e-mail.
C. only 12 percent of Americans use the Internet to search for product and service information.
D.
80 percent of
Americans access the Internet through dial-up service.
In a report from the Organization for Economic Co-operation and Development (OECD), a comparison of computer usage between the U.S. and other developed countries shows:
A.
the U.S. is
far ahead and the gap is growing.
B. other developed countries are far behind, but the gap is shrinking rapidly.
C. the U.S. is only slightly ahead of other developed countries.
D. the gap between the U.S. and other developed countries is unchanged.
In third world countries, the annual income for many people may be less than:
A. $10,000.
B. $5,000.
C. $3,000.
D.
$1,000.
The 2002 report by the U.S. Department of Commerce also examined the use of computers and the Internet by people with disabilities. What were the five disabilities that were examined?
A. Speech, vision, keyboard use, leaving the home, and hearing
B.
Walking,
vision, keyboard use, leaving the home, and hearing
C. Walking, vision, keyboard use, illiteracy, and hearing
D. Walking, vision, speech, illiteracy, and hearing
On average, ____________ of the population reported at least one of five disabilities in the 2002 U.S. Department of Commerce report.
A. 35 percent
B. 18.5 percent
C.
8.5 percent
D. 6 percent
In the military, ____________ receivers are used to provide coordinates for friendly and enemy locations.
A. Satellite Navigation System
B. Geosynchronous Positioning Satellite
C. Long Range Navigation
D.
Global
Positioning System
Optical media uses a(n) ___sensor____ to convert the reflection from the surface of a CD into a stream of data.
Media with no moving parts, often used in digital cameras, is _flash memory__.
A bar code reader is an example of a(n) ___input____ device.
__Secondary storage___ is where processed data is kept for later retrieval.
The two types of primary storage are _Erasable Programmable Read Only Memory (EPROM)_ and Random Access Memory (RAM).
__Random Access Memory (RAM)_ is used to store data that is being actively processed by the computer.
A device that saves information and does not require constant power is considered _secondary storage .
Businesses maintain lists of people and their interactions through the use of databases .
In project management it is important to identify key dates, known as _milestones_.
__Veiling reflection__ caused by a bright light behind the operator shining on the monitor may cause eye strain.
Factors responsible for lack of access and use of computers in poor, developing countries are restricted phone access, general poverty and lack of reliable _electricity_.
_Asynchronous_ classes occur when teachers and students interact separately by exchanging messages and information at different times.
As you can tell from studying the history of the computer, computers are becoming faster, smaller, and easier to use. With computers becoming more and more common, health issues are on the rise. Many users spend hours a day in front of a computer. Many companies and individuals are concerned with the ergonomic issues related to computer usage.
Do an Internet search for good ergonomic practices in using computers. Write a list of at least ten things a user should do to prevent health problems with computer usage. In your list, you might include some of the many items that companies offer employees, such as ergonomic devices, ergonomic practices, and ergonomic training.
Suggested Web sites:
http://www.healthycomputing.com
Suggested keywords:
ergonomics, computers, healthy computing, healthy work environment, computing, healthy tips