What is the name of the interface used by visually impaired persons to operate a computer system?
2. Question | Information Technology
All of the following are systems programs EXCEPT __________
3. Question | Biology
The white blood cells that produce antibodies are called:
4. Question | Physics
A detector close to a sample of radioactive material records 76 counts per second (cps).
Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background
radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the
material is:
5. Question | Information Technology
Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.
6. Question | Mathematics
In the circle above, the circumference is
10 cm. The length of the arc AB, in
centimetres, is
7. Question | Physics
Which one of the following statements about ∝ particles is NOT true?
8. Question | Mathematics
9. Question | Integrated Science
Which statement is not true of sperm and ova?
10. Question | Integrated Science
Overfishing means:
11. Question | Mathematics
In the rectangle above, if ∠AEB = 80°, then
∠DAC =
12. Question | Principles Of Accounts
The following figures are taken from a manufacturing account.
The cost of tie year's production of finished goods is
13. Question | Physics
The following statements describe a magnetic field plot, showing the lines of force.Which one is
true?
14. Question | Biology
The length of an insect such as a grasshopper increases in steps.This is because:
15. Question | Chemistry
Iron chloride can be prepared from the reaction of iron and:
16. Question | Integrated Science
Which one of the following is correct. When we digest our food:
17. Question | Chemistry
In an atom the neutron is found:
18. Question | Chemistry
The empirical formula, C6H12O6, gives the simplest ratio as:
19. Question | Chemistry
For Mg++ to turn into an atom of magnesium metal it must: