Podcast
Questions and Answers
What is the primary function of the Control Unit (CU) in a CPU?
What is the primary function of the Control Unit (CU) in a CPU?
Which unit is responsible for supervising the fetching of instructions and data from memory?
Which unit is responsible for supervising the fetching of instructions and data from memory?
What does the Program Counter (PC) in a CPU contain?
What does the Program Counter (PC) in a CPU contain?
Which unit combines input and output functions in a computer system?
Which unit combines input and output functions in a computer system?
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What is the role of a register in a CPU?
What is the role of a register in a CPU?
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What is the primary function of a Memory Address Register (MAR)?
What is the primary function of a Memory Address Register (MAR)?
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Which type of register keeps track of special conditions such as arithmetic carry and power failure?
Which type of register keeps track of special conditions such as arithmetic carry and power failure?
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What occurs when a register is loaded with values from another location?
What occurs when a register is loaded with values from another location?
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What type of operations can registers perform in terms of data manipulation?
What type of operations can registers perform in terms of data manipulation?
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Which register holds the actual instruction currently being executed by the computer?
Which register holds the actual instruction currently being executed by the computer?
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Which registers handle input/output data for several devices?
Which registers handle input/output data for several devices?
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What is the characteristic of General-Purpose Registers?
What is the characteristic of General-Purpose Registers?
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What type of operation permanently alters the data in a register?
What type of operation permanently alters the data in a register?
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Study Notes
ITEC 102 Basic Computer Hardware Servicing
- This course covers basic computer hardware servicing.
- The course is offered at Polytechnic University of the Philippines.
Vision and Mission
- Vision: A leading, comprehensive Polytechnic University in Asia
- Mission: Advances inclusive, equitable, and globally relevant Polytechnic education, which promotes national development.
Strategic Goals
-
Pillar 1: Teaching and Learning
- Innovative curricula and instruction
- Empowered, expert, and productive faculty
- Holistic student development
-
Pillar 2: Research and Extension
- Intensified research innovation, dissemination, and utilization
- Strengthened, sustainable, and impactful extension programs
- Expanded research and extension networks
-
Pillar 3: Internal Governance
- Transformational university leadership
- Judicious and ethical stewardship of physical and financial resources
- Effective and efficient human resource management
- Excellent citizen/client satisfaction
- Smart campuses
Core Values
- Integrity and accountability
- Nationalism
- Sense of service
- Passion for learning
- Respect for human rights and the environment
- Inclusivity
- Excellence
- Democracy
Math Topics
- Decimal to binary conversion
- Binary to decimal conversion
- Decimal to hexadecimal conversion
- Hexadecimal to binary conversion
- Binary to hexadecimal conversion
Central Processing Unit (CPU)
- The CPU is the central processing unit of a computer.
- Its major components include:
- Arithmetic/Logic Unit (ALU): Temporarily holds data for calculations
- Control Unit (CU): Manages and interprets instructions for execution
- Input/Output (I/O) Interface Units: Moves instructions and data between the CPU and other hardware components.
- Memory: Repository for processes and data
Memory Unit
- Memory Management Unit: Supervises fetching instructions and data from memory; I/O interface is part of the control unit; Bus interface combines input and output
- Memory Address Register (MAR): Holds the address of a memory location
- Memory Data Register (MDR): Holds data values being stored in or retrieved from memory. MDR also known as memory buffer register
Registers
- A single, permanent storage location within the CPU used for a particular purpose
- Used to hold binary values temporarily for: storage, manipulation, and simple calculations
- Each register is wired within the CPU for specific roles
- Usual size ranges from 1 to 128 bits
- Kinds of registers: Accumulator, General-purpose registers, User-visible/program-visible, Program Counter Register, Instruction Registers, Status Registers, I/O Registers, Memory Address Registers, Memory Data Registers.
Register Operations
- Loading: Transferring values from other registers or memory locations into a register. The source register or memory location is not changed.
- Addition/Subtraction: Adding to or subtracting from the value already in a register.
- Shifting/Rotating: Shifting or rotating the bits in a register to the right or left. Important for multiplication and division.
- Testing: Testing if a register value is zero, positive, negative, or too large.
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Description
Test your knowledge about the core functions and components of the CPU. This quiz covers key elements such as the Control Unit, Program Counter, and registers. Perfect for students learning about computer architecture.
