Password reset disk should be created?   

(a) i() What is firewall? (ii) List two methods used in protecting the computer system.

(b) Explain the following stages of the System Development Life Cycle: (i) feasibility study; (ii) design; (iii) maintenance.

(a) A musician intends to record music on a storage medium. List four ways that the music file can organized in the storage medium.

(b) State two basic operations on computer file. (c) Explain the following computer terms: (i) file (ii) re cord

(a) Explain the following terms: (i) storage device; (ii) virtual memory.

(b) Two storage devices have capacities 2KB and 2MB respectively. (i) Calculate the number of bits that each of 2KB and 2MB can hold. 2 KB: 2 MB

(i) Putting the two storage together, calculate the total capacity in bytes.

(a) (i) Identify Figure 1 above. (ii) Name the parts labeled I, J, K, and L in Figure 1

(b)(i) Define the documentation stage in the Program Development Life Cycle. (ii) List three characteristics of a good computer program.