Q1 : Draw block diagram of a comp sys work flow
Q2 : State two functions of CPU
Q3 : State one example of device output apart from monitor and one device input apart from mouse and keyboard.
Q4 : Sate one function of RAM
Q5 : State two differences between hard disk and RAM
Answer :
Q2 : i) directs electronic signal / data movements between the components of a comp.
ii) coordinate electronic signal / data movements between the components of a comp.
iii) executes arithmetic operations.
iv) executes logical operations.
v) fetch, decodes and executes instructions given.
vi) process data / information
vii) control the flow of data
Q3 : printer, plotter, LCD projector. joy stick, touch screen, light pen.
Q4 : i) store data temporarily
ii) store data / information / commands for processing
Q5 : i) access time - slower / faster
ii) data stored - permanent / temporary
iii) storage capacity - bigger / smaller