Multiple choice
- ______ is the raw material from which information is produced (a) Questionnaire (b) Input (c) Data (d) Machine language
- List and explain 3 types of data
- Explain the two sources of data
- _______ is the combination of the major parts of the computer which includes CPU, motherboard, RAM, ROM, chip sets (a) CPU (b) VDU (c) System Unit (d) Power cable
- All of the following are computer peripherals except one (a) Mouse (b) Scanner (c) Joystick (d) System Unit
- Which of the following is an operating system (a) Blockchain (b) UNIX (c) Chrome (d) Java
- All except one are examples of application software (a) Ms word (b) Photoshop (c) Corel draw (d) Linux
- Computer programs developed to harm and disrupt computers are referred to as _______ (a) Hardware (b) System software (c) Operating software (d) Malicious software
- _______ refers to knowledge obtained from reading, investigating, studying and research (a) Knowledge (b) Information (c) Computer input (d) Computer output
- _________ consists of the physical components of the computer that we can see and touch. (a) Instructions (b) Hardware (c) Processor (d) System unit
- The ________ is designed to input data into the computer such as letters, numbers and symbols (a) Keyboard (b) Printer (c) Sound card (d) Speaker
- One of these is not part of the computer system (a) CPU (b) Monitor (c) Keyboard (d) Notebook
- The short-cut key for printing documents in Ms word is _______ (a) Control + f4 (b) Control + P (c) Control + f1 (d) Control + v
- A paper printout of a document is known as ______ (a) Softcopy output (b) Permanent output (c) Hardcopy output (d) Printed output
- All of the following are examples of high-level languages except (a) Assembly language (b) C++ (c) Pascal (d) BASIC
- In which part of the computer room should sockets or power points be attached? (a) By the light switch (b) to the wall close to the computer (c) Under the table (d) Under the chairs
- What is the name of the main computer hardware that accommodates other accessories? (a) CPU (b) Secondary Storage Device (c) System Unit (d) Motherboard
- Application software used for recording accounting and statistical calculation is called _____ (a) Word processing software (b) Graphic software (c) Spreadsheet software (d) Utility software
- State 5 qualities of good information
- State 5 activities involved in processing data into information
Qualities of Good Information
The qualities of good information are:
1. Accuracy - it must be free from errors.
2. Reliability - it should be from a reliable source.
3. Relevance - it must be suitable for the purpose it is required for.
4. Accessibility - it should be easy to obtain or access when needed.
5. Timely - it should be available at the right time.
6. Completeness - it should be comprehensive and contain all the necessary details.
Activities involved in processing data into Information
Data collection - gathering data from various sources.
Classification or sorting - identifying certain characteristics in items
of data and categorizing or grouping them according to those characteristics.
Coding
Summarizing.
Input - entering the data using input devices into the computer for processing.
Data processing, calculating or editing: The process of converting the data into information.
Validation.
Translating - changing the language of data into another.