CC100 Quiz No. 2

A computer suddenly shuts down when the power goes off, and all unsaved files are lost. Which component characteristic explains this behavior?

• RAM is volatile and loses data without power

• HDD is volatile and loses data without power

• Cache is non-volatile and permanent

• ROM is responsible for data loss

A student installs a new graphics card to improve gaming performance. This upgrade enhances which type of computer resource the most?

• Processing power

• Storage capacity

• Output capability

• Input responsiveness

When you press a key on a keyboard and see the character appear on the screen, which correct sequence of operations happens?

• Output → Input → Processing → Storage

• Input → Processing → Output

• Storage → Processing → Output → Input

• Input → Storage → Output

A software engineer says, "Hardware and software are interdependent." What does this mean in practice?

• Hardware can operate alone, but software needs hardware.

• Hardware executes tasks without software instructions.

• Software provides instructions that hardware executes to perform tasks.

• Software is more important than hardware in a computer system.

You open a file from your hard drive, edit it, and then save it back. Which memory/storage hierarchy is used during the editing process?

• Hard drive → RAM → CPU → RAM → Hard drive

• RAM → CPU → Hard drive → CPU

• CPU → Hard drive → RAM → CPU

• Hard drive → CPU → RAM → Hard drive

Which of the following best distinguishes primary memory (RAM) from secondary memory (SSD/HDD)?

• Primary memory is slower but larger; secondary is faster but smaller.

• Primary memory is volatile and temporary; secondary is non-volatile and permanent.

• Primary memory is found in peripheral devices; secondary is inside the CPU.

• Primary memory is optional; secondary is mandatory for computers.

A cashier uses a barcode scanner to process items at checkout. The scanner is classified as:

• Output device

• Storage device

• Input device

• Processing device

Which component of the CPU directly handles logical comparisons such as "greater than" or "equal to"?

• Control Unit (CU)

• Arithmetic Logic Unit (ALU)

• Cache Memory

• Register

A laptop runs multiple applications at once but begins to slow down. Which component is MOST likely the bottleneck?

• Monitor

• RAM

• Keyboard

• ROM

Which situation BEST illustrates the difference between data and information?

• Entering numbers into a spreadsheet (data) and calculating the total sales (information)

• Printing a document (data) versus saving it to the cloud (information)

• Clicking a mouse (data) versus typing on a keyboard (information)

• Buying a new storage device (data) versus installing RAM (information)