15 Questions
What is the smallest unit of data that a binary computer can recognize?
Bit
One billion bytes is represented by the term _______________________.
Gigabyte
A GPU is responsible for executing program instructions.
False
What does the acronym CPU stand for?
Central Processing Unit
Which type of memory is used to store data temporarily while a computer is running?
RAM
ROM is a volatile memory.
False
Match the following components with their primary functions:
CPU = Executing program instructions GPU = Processing graphical data RAM = Storing data temporarily Hard Drive = Storing data permanently
What is the primary function of the motherboard in a computer system?
To connect all hardware components and allow communication between them
A CPU is a type of peripheral device.
False
What is the term for the amount of data a CPU can manipulate at one time?
Word size
The binary equivalent of the decimal number 10 is _______.
1010
Match the following computer components with their functions:
CPU = Executes instructions RAM = Temporarily stores data Motherboard = Connects all hardware components Hard drive = Permanently stores data
What is the role of expansion cards in a computer system?
To provide additional functionalities such as enhanced graphics or sound
A byte consists of 4 bits.
False
What is the primary function of the power supply in a computer system?
To provide power
Study Notes
Computer Basics
- The smallest unit of data that a binary computer can recognize is a bit.
Coding Systems
- ASCII is traditionally used with personal computers.
- Unicode is used to represent text-based data in modern systems.
Data Measurement
- Kilobyte represents one thousand bytes.
- Megabyte represents one million bytes.
- Gigabyte represents one billion bytes.
- Terabyte represents one trillion bytes.
Hardware Components
- CPU (Central Processing Unit) is responsible for executing program instructions.
- GPU (Graphics Processing Unit) is responsible for processing graphical data.
- RAM (Random Access Memory) is used to store data temporarily while a computer is running.
- ROM (Read-Only Memory) is a non-volatile memory that stores data permanently.
- Cache Memory is used to store frequently used data to increase processing speed.
CPU Functions
- The processing speed of a CPU is typically measured in Hertz.
- The word size of a CPU refers to the amount of data it can manipulate at one time.
- Dual-core CPU is a CPU with two processing units.
Motherboard and Expansion Cards
- The motherboard connects all hardware components and allows communication between them.
- Expansion cards are used to provide additional functionalities such as enhanced graphics or sound.
Peripheral Devices
- Peripheral devices are external devices connected to a computer system, such as a printer.
System Unit
- The system unit typically contains components such as the power supply, hard drive, and RAM, but not the monitor.
Binary System
- The binary equivalent of the decimal number 10 is 1010.
Test your knowledge of computer basics, including data units, coding systems, and more. This quiz covers fundamental concepts in computer science.
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