Chapter 6 Inside Computers and Mobile Devices Essay

question

A dual-core processor doubles the processing speed of a single-core processor.
answer

False
question

Which of the following is a kind of ROM chip that contains permanently written data, instructions, or information that is recorded when the chip is manufactured?
answer

Firmware
question

What are the three categories of items stored in computer memory?
answer

operating system and other programs; applications; data being processed
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Your business is looking to rely on cloud computing services to provide system backup and the archiving of earlier versions of files, for example. What is the term for this?
answer

Storage as a Service
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Inserting dirty media can damage a computer or mobile device’s internal components.
answer

True
question

Your business is looking to rely on cloud computing services to create applications using web-based development platforms. What is the term for this?
answer

Platform as a Service
question

A petabyte is equal to approximately 1 billion bytes.
answer

False
question

Which of the following connects the processor to cache?
answer

BSB
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Custom-built computers often do not include recovery media to restore the computer in the event it fails.
answer

True
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One gigahertz (GHz) equals how many ticks of the system clock per second?
answer

One billion
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In the binary system, the digit 1 represents the electronic state of off (absence of an electronic charge).
answer

False
question

L1 cache is built directly into a processor chip and usually has a very small capacity.
answer

True
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What is memory access time?
answer

the amount of time it takes the processor to read data, instructions, and information from memory
question

You should read reviews for programs and apps before you download and/or install them to make sure the program or app will meet your needs.
answer

True
question

What are the four steps in the machine cycle?
answer

executing, fetching, storing, decoding
question

With the cover off the system unit of a lab computer, your instructor pointed out a type of nonvolatile memory that can be erased electronically and rewritten. What did your instructor call this memory?
answer

Flash memory
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Which of the following modules is a removable flash memory device that adds memory, communications, multimedia, security, and storage capabilities to computers?
answer

ExpressCard
question

Many batteries on computers and mobile devices can be charged only a certain number of times before they fail completely.
answer

True
question

Which of the following adapter cards connects to musical instruments?
answer

MIDI
question

Some computer and chip manufacturers use which of the following terms to refer to a personal computer processor chip?
answer

microprocessor
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Which of the following is NOT true of the new multi-core processor you have just purchased?
answer

Each processor core on the multi-core processor runs at a faster speed than a single-core processor
question

Which of the following identifies ROM chips that contain permanently written data, instructions, or information?
answer

firmware
question

What is unique about a multi-core processor?
answer

It is a single chip with two or more separate processor cores.
question

The accompanying figure shows which of the following kinds of modules, which are small circuit boards where RAM chips usually reside, being inserted into the motherboard?
answer

memory
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If your instructor turns on his computer and then starts a web browser, what contents are in RAM?
answer

the web browser instructions and certain operating system instructions
question

Built into the power supply is a fan that keeps the power supply cool.
answer

True
question

Which of the following is the component of the system unit that converts the wall outlet AC power into the DC power a computer requires?
answer

power supply
question

Your business is looking to rely on cloud computing services to manage your company’s hardware, for example. What is the term for this?
answer

Infrastructure as a Service
question

Platform as a Service is also known as a virtual desktop.
answer

False
question

When the processor needs an instruction or data, it searches memory in this order: L1 cache, then L2 cache, then L3 cache (if it exists), then RAM — with a greater delay in processing for each level it must search.
answer

True
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Where do RAM chips usually reside within a computer?
answer

on a memory module
question

ROM is nonvolatile.
answer

True
question

Which of the following is a case on a desktop that contains and protects the item shown in the accompanying figure and other electronic components?
answer

system unit
question

Two types of cache are memory cache and disk cache.
answer

True
question

Which of the following is a small piece of semiconducting material, usually silicon, on which integrated circuits are etched
answer

computer chip
question

In the machine cycle, executing is the process of carrying out commands
answer

True

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