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Questions and Answers
What is the function of a computer's Central Processing Unit (CPU)?
What is the function of a computer's Central Processing Unit (CPU)?
- Processing all the data (correct)
- Storing data for future use
- Creating input data
- Conveying information to the user
Which part of a computer is responsible for holding data and information for future use?
Which part of a computer is responsible for holding data and information for future use?
- Output
- Storage (correct)
- Processing unit
- Input
What is the cycle of input, process, output, and storage in a computer known as?
What is the cycle of input, process, output, and storage in a computer known as?
- Data Transformation Loop
- Information Processing Cycle (correct)
- Data Interpretation Cycle
- Data Analysis Loop
In what field does ICT act as a tool and medium for teaching and learning?
In what field does ICT act as a tool and medium for teaching and learning?
Which aspect of ICT provides access to and dissemination of ICT resources?
Which aspect of ICT provides access to and dissemination of ICT resources?
How does ICT contribute to economic growth according to the text?
How does ICT contribute to economic growth according to the text?
What does ICT stand for?
What does ICT stand for?
How is a computer defined?
How is a computer defined?
Which components were used for memory in First Generation Computers?
Which components were used for memory in First Generation Computers?
What are included in the technologies encompassed by ICT?
What are included in the technologies encompassed by ICT?
What were the key characteristics of First Generation Computers?
What were the key characteristics of First Generation Computers?
Which of the following is NOT an objective of the lesson?
Which of the following is NOT an objective of the lesson?
What type of programming language did First Generation Computers rely on?
What type of programming language did First Generation Computers rely on?
Which devices were used for input in First Generation Computers?
Which devices were used for input in First Generation Computers?
What is the primary function of a computer?
What is the primary function of a computer?
Which term encompasses any communication device or application within ICT?
Which term encompasses any communication device or application within ICT?
Which computers are examples of first-generation computing devices?
Which computers are examples of first-generation computing devices?
When did transistors replace vacuum tubes in computers?
When did transistors replace vacuum tubes in computers?
What is a major contribution to the field of personal computing mentioned in the text?
What is a major contribution to the field of personal computing mentioned in the text?
What key role do microcontrollers play in devices according to the text?
What key role do microcontrollers play in devices according to the text?
Which aspect of computers has shown a continual trend according to research mentioned in the text?
Which aspect of computers has shown a continual trend according to research mentioned in the text?
How are computers classified based on their data processing abilities?
How are computers classified based on their data processing abilities?
What is the main purpose of general-purpose computers?
What is the main purpose of general-purpose computers?
What function do microcontrollers mainly serve inside devices?
What function do microcontrollers mainly serve inside devices?
What is the primary function of system software?
What is the primary function of system software?
Which of the following is not a function of system software?
Which of the following is not a function of system software?
What does system software serve as an interface between?
What does system software serve as an interface between?
Which of the following is not a type of system software?
Which of the following is not a type of system software?
What is one of the functions of system software related to disk management?
What is one of the functions of system software related to disk management?
Which activity is NOT typically performed by system software?
Which activity is NOT typically performed by system software?
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Study Notes
Information Processing Cycle
- A computer stores data in memory locations called memory.
- The Central Processing Unit (CPU) processes the data.
- The processed results are called output, which is conveyed to the user.
- Data entered into a computer is called input.
- The cycle of input, process, output, and storage is called the Information Processing Cycle.
Functions of ICT
- ICT acts as a tool and medium for teaching and learning in education.
- ICT offers new opportunities in business, such as e-commerce, online and mobile transactions.
- ICT provides access to and dissemination of ICT resources.
- ICT enables organizations to automate processes, such as Personal Computers (PCs).
- ICT has become an integral and accepted part of everyday life.
Classification of Computers
- Computers differ based on their data processing abilities.
- Classification according to purpose:
- General purpose computers perform a range of tasks.
History of Computers
- First Generation (1940-1956): Vacuum Tubes and magnetic Drums
- Characteristics: expensive to operate, consumed a lot of electricity, generated heat, and used machine language.
- Examples: Universal Automatic Computer (UNIVAC) and Electronic Numerical Integrator and Computer (ENIAC).
- Second Generation (1956-1963): Transistors
Components of a Computer System
- Hardware: physical components of the computer.
- Software: programs that control the operations of the computer and its devices.
System Software
- Types: Operating systems, Utility programs, and Translators.
- Functions:
- Starting up the computer.
- Opening, executing, and running applications.
- Storing, retrieving, and copying files.
- Formatting disks.
- Reducing file sizes.
- Backing up the contents of a hard disk.
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