Test:

Created

End of unit test Computer systems:

  1. What is 10100001 in two's complement?
  1. Identify one advantage of smart heating systems.
  1. State the missing step(s) in this fetch-execute cycle:

a. The processor sets up the address on the address bus.
b. The read line on the control bus is activated
c.________________________________________________
d. The instruction is subsequently decoded and executed.

  1. What is the range of integers that can be expressed with 8 bits?
    (regular binary)
  1. Describe one advantage of using a Vector graphic.
  1. State two crimes under the Computer Misuse Act 1990.
  1. John is experiencing slow performance on a website and is unable to access some of his data. What is likely to have occurred?
  1. State the purpose of the Public and Private key in encryption?
  1. What does increasing the mantissa do to the number?
  1. What does increasing the exponent do to the number? Provide a detailed description.