BTEC Computing Unit 2 A and B Exam 2023 with Complete Solutions

Utility software - ANSWER-Software used by the OS to help manage resources and services for computer systems. Features of utility software - ANSWER-Security, Connectivity, Back up and Restore. Uses of utility software - ANSWER-Data compression, Disk defragmentation, Data encryption, Back up, Anti-virus software and registry cleaners. Factors affecting performance of utility software - ANSWER-CPU, GPU and Memory. Factors affecting choices of utility software - ANSWER-Cost, Ease of use and Availability. Application software - ANSWER-Computer program used to perform functions and activities for the user. Features of application software - ANSWER-Storage of data, Creating and editing documents, GUI and Menus. Uses of application software - ANSWER-E-mail, Word processing, Database programs, Spreadsheet programs and Desktop publishing. Factors affecting performance of application software - ANSWER-Complexity, Design, The network, Ability to use memory efficiently and The processing required. Factors affecting choices of application software - ANSWER-Cost, Ease of use, Availability and Design. Principles of open source - ANSWER-Free, Interchangeable for anyone. Implications of open source - ANSWER-can be copied, less secure and can be edited by anyone with access to the code. CPU (Central Processing Unit) - ANSWER-The CPU is the part of the computer where operations are managed and executed. Performance is measured by instructions executed per unit time. Hardware used in output devices - ANSWER-These are used to get anything out of the computer/ provide data to the user - Printers - Screens - Projectors - Speakers