ict-iat.wikispaces.com 1... · Web viewIf false, change the identified word or phrase to make the statement true. ____8.Notebook computers are another term for laptop computers. ____9.A

Homework 1Grade 10 Computer Science

True/FalseIndicate whether the statement is true or false.

____ 1. Special-purpose computers are used mostly to control something else, such as a dishwasher or airport radar system.

____ 2. The components that the computer uses to process data are contained within the hard drive.

____ 3. The motherboard is also called the circuit board.

____ 4. The motherboard is housed on a tiny silicon chip that contains millions of switches and pathways that help your computer make important decisions.

____ 5. The ALU can execute complex tasks, such as what a video game uses to determine what appears on your screen.

____ 6. As electricity travels through processor pathways, it turns switches on and off. The absence of electricity represents a 0.

____ 7. ROM chips are nonvolatile.

Modified True/FalseIndicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.____ 8. Notebook computers are another term for laptop computers.

____ 9. A mainframe is the fastest type of computer. Government agencies and large corporations use them for specialized applications to process enormous amounts of data. (supercomputer)

____ 10. Arithmetic computations involve comparisons, such as asking the computer to determine if two numbers are equal. (logical)

____ 11. The control unit reads and interprets the program instruction and changes the instruction into machine language.

Multiple ChoiceIdentify the choice that best completes the statement or answers the question.

____ 12. Data is ____.a. text, numbers, sound, images, or video. c. outputb. information d. software

____ 13. The first step in the information processing cycle is ____.a. outputs information c. inputs datab. stores data and information d. processes data

____ 14. A computer performs operations use ____ operators such as AND, OR, and NOT.a. arithmetic c. logicalb. simple d. analytical

____ 15. A computer that delivers Web pages to browsers and other files to applications via the HTTP protocol is considers a ____ server.a. file c. databaseb. Web d. mobile

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____ 16. The system case includes all of the following EXCEPT ____.a. processor c. video cardb. monitor d. memory

____ 17. The above figure shows an example of a(n) ____.a. CPU c. system unitb. circuit board d. motherboard

____ 18. CPU stands for Central ____ Unit.a. Processing c. Portb. Programming d. Precision

____ 19. ____ is a set of special instructions that control the activities of a computer.a. A program c. CPUb. Software d. Both a. and b.

____ 20. The above figure shows an example of a(n) ____.a. circuit board c. microprocessorb. motherboard d. expansion port

____ 21. Which of the following is NOT true about microprocessors?a. A dual-core processor is a single chip that

contains two separate processors.c. A multicore processor is an expansion that

provides for more than two separate processors.

b. Microprocessor speed is generally measured in megahertz (MHz).

d. The switches on a microprocessor control the flow of electricity.

____ 22. Java, COBOL, and C++ are all examples of ____ languages.a. programming c. basicb. machine d. binary

____ 23. A ____ is approximately a billion bytes.a. kilobyte c. gigabyteb. megabyte d. terabyte

____ 24. RAM stands for ____ Access Memorya. Remote c. Randomb. Return d. Regular

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