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Where does sorting fit into the IPOS model?
Process
The stored program concept turns computers into…
multipurpose devices
There is an abundant supply of materials for fabricating semiconductors because…
They are made from purified silicon (sand)
How many componenets are typically housed on the top half of a clamshell device?
Three
What is the first step to hardware maintenance?
Turn the device off
When liquid spills on a device, what should you do?
Shut off device immediately
An operating system is an example of ________ software
System
Which tasks tend to require the fastest processor?
Desktop publishing and video editing
Which device is best if you want to consume and create content using a device that is portable?
Laptop
Do Apple and Android tablets use the same software and apps as laptops?
No
An instruction set is…
The collection of pre programmed activities that a microprocessor can perform
What does x86 mean?
It is used to refer to a standard family of processors used in most desktop and laptop computers
Which processor would you be likely to find in an iPhone?
ARM
When the control unit swings into action, which step comes first?
Fetch an instruction
Which of the following statements is true?
A multi core processor can outperform a single core processor that has a faster clock speed
Many of today’s digital devices are capable of parallel processing because…
Their processors have multiple cores
x86 processors use what technology?
CISC technology
The programs and data in RAM disappear when…
The device is turned off
While you are waiting for a digital device to boot, all of the following occur EXCEPT
The microprocessor fetches data from the ALU
What is the purpose of a read-write head?
It orients particles north or south depending on if they represent 0s or 1s
If you see an ad for a computer with a 6 ms hard drive, you can assume that the 6 ms refers to the drive’s…
Access time
Optical storage devices read and record data using…
A laser lens
Which optical technology performs most similarly to a hard disk drive?
RW
In what way are memory cards and RAM similar?
They are solid state
Which of the following is a good substitute for a hard disk drive
An SSD
Cloud services generally use what type of storage devices?
Magnetic
Three form factors for digital devices are component, _________, and slate
Clamshell
An ________ circuit is a set of microscopic electronic components etched onto a thin slice of semiconducting material
Integrated
Touchscreens on many digital devices have a(n) ____________ coating that resists fingerprints
Oleophobic
Google and other Web service providers use banks of ________ to process and manage data
Servers
_____________ are the most popular digital devices worldwide
Smartphones
Compatibility is primarily controlled by a device’s _________ system
Operating
The instructions for loading the operating system into RAM when a device is first turned on are stored in….
ROM
The _________ bus carries data from an external device to RAM
Expansion
Which backup tool can be used to boot a Windows computer after a hard drive malfunction?
A recovery drive
Which of the following are not considered peripheral devices?
RAM and CPU
How does data flow from an external storage device to the processor? (131)
Data from the expansion bus reaches RAM, and then it is transferred to the processor
Which port would be the first choice for someone connecting a display device? (132)
DVI
When you’re ready to put your laptop in your backpack, which of the following do you need to eject? (133)
A USB flash drive
Which of the following would be least likely to connect through a Bluetooth port?
An external hard drive
Suppose you just got an operating system update and now your printer has stopped working. What can you do to solve the problem? (135)
All of the above
The liquid crystall cells used in display devices do not directly emit light, so ______ is necessary (136)
Backlighting
If you try to use your smartphone wearing gloves and your gestures are ignored, the touchscreen on that device probably uses ________ technology
Capacitive
Which type of printer is slower but less expensive to operate?
Ink jet printer
Which of the following aspects of smart sensors on the IoT would be the least likely to pose a security risk?
Anonymized data