COMPUTER-P1-SCHEME.docx

i) They are holistic Bandwidth Back up data Keying in devices Answer ALL the questions in section A. Most word processors have some automated features such as word wrap and type over modes. Describe these features (2 mrks) Input buffer Broadband Open or Closed: open system receives input from and gives out to the environment and can adopt to changes in the environment. MOKASA ONE FORM FOUR JOINT EVALUATION TEST 2019 Embedded computers are special purpose computer used inside another device and usually dedicated to specific functions. Name four categories of input devices (2 mrks) Section B. Simulation: it allows some activities that would otherwise be expensive and dangerous in real life to be put under test Divided the information into separate fields, records and tables to allow flexibility in manipulating the database c) Using twos complement, perform the following arithmetic opration leaving your answer in decimal notation (4 mrks) Give the most important fields the first priority Binary devices are more reliable Differentiate between filtering and hiding of rows/columns as used in spreadsheets (2 mrks) User-friendliness An analog signal sent over the transmission medium using a particular frequency a) Binary systems has been used to develop most electronic devices. Give three advantages of using binary (3 mrks) The lenghth of each field A world wide web is a vast virtual space in the internet where information is made available such as web portals and blogs. Different be