S3 CS Revision

What does the term "Computer System" describe?

• Only the physical parts of a computer.

• Only the code that runs on a computer.

• The hardware and software that make up a functional computer.

• The network connections and peripherals of a computer.

Which of the following is an example of an input device?

• A printer

• Speakers

• A microphone

• A projector

What is the primary role of the processor in a computer system?

• To store long-term files and programs.

• To get information from the computer into the physical world.

• To carry out calculations and make decisions.

• To display graphics on the screen.

A processor with a clock speed of 2.3GHz can carry out how many calculations/instructions per second?

• 2.3 million

• 2.3 thousand

• 2.3 billion

• 2.3 trillion

Why do computers process information in binary?

• It makes the computer run faster.

• It allows for more complex calculations.

• The processor can only understand commands in binary (1s and 0s).

• Binary numbers take up less storage space.

How many bits are in one byte?

• 4

• 8

• 16

• 1024

Which of the following units represents the largest amount of data storage?

• Gigabyte

• Kilobyte

• Megabyte

• Terabyte

What is the main characteristic of Random Access Memory (RAM)?

• It stores the operating system permanently.

• It cannot be changed by a program or user.

• It holds information the processor needs right now and is lost when the computer is turned off.

• It is primarily used to load the Operating System when the computer is turned on.

Which type of graphic is made up of objects rather than pixels and can be stretched to any size without getting blurry?

• Bitmap graphic

• Raster graphic

• Pixel graphic

• Vector graphic

If a black and white bitmap image is 200x300 pixels, how many bits of storage would it take up?

• 600 bits

• 6,000 bits

• 60,000 bits

• 600,000 bits