(a) What are input devices?
(b) list two input devices
(c) State two uses of logic gates
(d) Draw and label the logic gate symbol for;
(i) OR gate (ii) AND gate
State one difference between star and bus topologies
(b) List four common network devices.
(c) Write the acronyms below in full
HTML, HTTP, ISP, SMTP.
(a) Match each of the following computing devices.
|
COMPUTER DEVICES |
USES |
|
EDVAC |
Electronic general-purpose computer programmed to perform complex sequences of operation. |
|
ENIAC |
Electronic digital stored-program computer intended for the bureau of census and later for presidential election. |
|
UNIVAC |
Electronic computer, binary in nature with automatic addition, subtraction multiplication and programmed division. |
(a) In a tabular form, state two differences between random access memory and read only memory
(b) State four characteristics of windows operating system environment.
(c) list two examples of utility programs
(a) Convert 1011011\(_2\) to its hexadecimal equivalent
(b) State one difference a hacker and a scammer
(c) identify the parts labeled A, B, C and D on the keyboard shown below