Questions and CORRECT Answers
processor (CPU) - CORRECT ANSWER✔✔- Manipulates the data and controls the tasks
performed by the other components.
Primary Storage - CORRECT ANSWER✔✔- Temporarily stores data and program
instructions during processing.
Secondary Storage - CORRECT ANSWER✔✔- Stores data and programs for future use.
Input Technologies - CORRECT ANSWER✔✔- Accept data and instructions and convert
them to a form that the computer can understand.
Output Technologies - CORRECT ANSWER✔✔- Present data and information in a form
people can understand.
Communication Technologies - CORRECT ANSWER✔✔- Provide for the flow of data from
external computer networks (e.g., the Internet and intranets) to the CPU, and from the CPU to
computer networks.
Making Sense of Data Measures - CORRECT ANSWER✔✔- 1 BIT is the smallest unit of
data in a computer.
• Can be either 1 or 0
8 bits= 1 byte (enough for a single letter or symbol)
Kilobytes (KB) - CORRECT ANSWER✔✔- like a small snippet of text. Imagine a short text
message you send on your phone. That message, along with a few emojis, might take up
around 1 kilobyte of data.
Megabytes (MB) - CORRECT ANSWER✔✔- like a photo you take with your smartphone.
A typical photo might be around 2-4 megabytes in size. So, think of your last vacation
picture—that's a few megabytes of data.
, Gigabytes (GB) - CORRECT ANSWER✔✔- like a full-length movie you stream online.
Streaming a movie in high-definition can use up around 1.5 to 2.5 gigabytes of data. When
you're watching your favorite shows, you're dealing with gigabytes.
Computer Memory - Primary Storage - CORRECT ANSWER✔✔- Provides fast and
temporary storage for data that the computer is actively using
Four Main Types of Primary Storage - CORRECT ANSWER✔✔- --Register Memory
- Cache Memory
- Random Access Memory (RAM)
- Read-Only Memory (ROM)
Register Memory - CORRECT ANSWER✔✔- Part of the CPU. They have the least
capacity, storing extremely limited amounts of instructions and data only immediately before
and after processing
Cache memory - CORRECT ANSWER✔✔- High-speed memory that enables the computer
to temporarily store blocks of data that are used more often and that a processor can access
more rapidly than main memory (RAM). Cache memory is physically located closer to the
CPU than RAM.
Random Access Memory (RAM) - CORRECT ANSWER✔✔- Part of primary storage that
holds a software program and small amounts of data for processing.
Read-Only Memory (ROM) - CORRECT ANSWER✔✔- Type of chip where certain critical
instructions are safeguarded. ROM is nonvolatile, so it retains these instructions when the
power to the computer is turned off.
Computer Memory - Secondary Storage - CORRECT ANSWER✔✔- Non-volatile memory
that provides long-term storage for data, even when the computer is powered off. This is
where your files, applications, and the operating system are stored