for trying my revision quiz. There have been quite a few of you.
Here are my answers to compare with yours. I suggest that you [Print]
this page then press the [Back] button on your
browser twice to look again at your own answers.
do the following stand for?
Video Graphics Array
Instrument Digital Interface
|Digital Video (or
of the following are computer input devices?
of the following are computer output devices?
how many A4 pages of text can be stored on one floppy
complete works of Shakespeare can be purchased on one CD-ROM
or as a printed book. Why might it be better to
(a) use a CD-ROM?
perform faster searches / takes up less storage
space / can cut and paste to own documents or
transmit electronically / can include sound and
use a book?
need to buy a computer / can't take a computer to
bed easily / don't need electricity to read it.
storage device would you use to bring a piece of work,
which you have done on your computer at home, into school
to enable you to continue working on it here?
these storage devices in order of access speed, starting
with the fastest:
> CD-ROM > floppy disk
the following in order of storage capacity, starting with
> CD-ROM > floppy disk
printers have become very common in schools, when a laser
printer can be purchased for the same price.
(a) Give two
reasons why a laser printer might be preferable.
quality and faster printing
2. Cheaper to run (toner cartridges are more
expensive but they last very much longer).
Give one reason for not using a laser
(colour laser printers are very expensive at
present) / can't refill ink yourself in order to
cut running costs.
- State four
pieces of equipment that you would recommend to a blind
person wishing to purchase a computer system.
keyboard / Braille printer / sound card /
microphone / speakers / voice recognition
have been asked to set up an experiment to measure and
record the effects of pollution in a local river during
the summer months. You have been told that pollution
causes an increase in bacterial growth which reduces the
amount of dissolved oxygen available.
items of equipment would you need?
sensor and data logger. (Temperature and light
level sensors too perhaps).
How often would readings need to be taken?
readings two or three times a day (at midday and
now use a lot of computer equipment for many different
(a) Give one example
of where such equipment is used.
checkout / in the offices / Internet shopping/etc.
Explain (describe with reasons) why this has made the job
easier for the staff involved.
is easier because - scanning the bar code inputs
the current price automatically from a database /
no mental arithmetic needed / easy updating of
prices in the database instead of relabelling
stock / automatic reordering of stock from the
warehouse / easy production of sales figures and
Give one disadvantage of the introduction of IT into
have to be trained on the new system / the new
system will cost money to set up / total reliance
on a computer system means loss of business if it
change over to computer equipment in the automobile and
newspaper industries during the 1980's has had a
devastating affect on employment in this country. However,
employment in supermarkets has grown and things are
generally looking much brighter for the 21st Century.
Give reasons to explain both of these
in some industries has declined due to the use of
robotics, and desk-top publishing on a simple
desktop computer. Employment in supermarkets has
grown because more business can take place more
quickly, hence profits increase and the shops can
get bigger and better.
- Which letter of
the alphabet would be drawn by the following list of
REPEAT 3 [RIGHT 90 FORWARD 25]
been thousands of responses to these questions during the run up
to the GCSE examination. Click here to see if your school is one
of the hundreds of school
recorded so far.