CSS grade 8 24-25 pre test

Which of the following computer hardware component is NOT measured in bytes?

• Data Storage

• Memory

• Processor.

• Video Card.

Which computer component coordinates all electronic circuits that performs the calculations to run a computer?

• Data Storage

• Memory

• Processor.

• Video Card.

Which of following is NOT a use of video cards to computers?

• a. It handles pictures to be shown on your screen.

• b. It can make great quality of your game graphics.

• c. It will let you work with photography and video.

• d. It helps computers to have huge storage.

Which of the following is a unit of measure for electronic data?

• a. Byte.

• b. Bits

• c. Kilobytes.

• .d. All of the above.

. Which of the following contains exact data capacity to store a single ASCII character, like “c”?

• a. Byte.

• b. Bits

• c. Kilobytes.

• .d. All of the above.

A machine with an operating resistance 5Ω is connected to a voltage source with current in the circuit of 20A. What is the voltage of the source?

• a. 4V

• b. 10V

• c. 25V

• d. 100V

A small light bulb is connected to 6V battery and draws 2A of current. What is the resistance of the bulb?

• a. 2Ω

• b. 3Ω

• c. 8Ω

• d. 12Ω

Which of the following represents resistance in the Ohm’s law formula?

• a. R

• I b.

• c. V

• d. Ω

Which of the following is NOT an importance of interpreting flowcharts?

• a. Form theories about root causes

• b. Identify ways to streamline the process

• c. Locate cost-added steps

• d. Promote understanding of process

Anna is working on her flowchart and needs to redirect one of the processes to create a loop. Which of the following chart symbols should she use?

• a. Box

• b. Circle

• c. Diamond

• d. Triangle