Computer hardware

— recognition convert scan documents into editable text

Optical character

Hardware specifications include

RAM, CPU

With proper care, solid state storage media can last up to

100 years

The computer mouse was invented in the

1960s

Which of these is an optical medium with storage

Blu-ray disc

Which type of hardware carries out the instructions that operate a computer

CPU

You use utility software to

Categorize the various types of computer hardware

In a solid-state Disk Drive, Data is stored on

Circuits

What are the two important components of CPU that help in processing the input into output

Control unit and ram

In which of the following storage devices does memory need to be constantly recharge to retain its contents

Dynamic ram

Benchmarking test to compare similar systems performing

Identical tasks

Which of the following is not a cloud service provider

Mac OS

RAM stands for

Random Access Memory

Surya's computer monitor display doesn't seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems

faulty power or video cable

Language modeling incorporates rules of

pronunciation patterns, grammar

Which of the following is a necessary step in maintaining computer hardware

using a UPS or surge processor

You can easily rearrange clips by dragging them

yes

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer

A faulty port

Which of these, they're not equally portable, is the most powerful and usually easier to upgrade than others

Desktop computers

For storage, laptops use

Either a hard disk drive or a solid-slate drive

What type of operating system runs a dedicated electronica device such as a smart thermostat

Embedded operating system

Speech recognition refers to computer's ability to record and edit human speech

False

What is the correct sequence of processing instructions in a machine cycle

Fetch, decode, execute, store

Manny copy the table from a MS Excel file, close the file, and then pasted the table in an MS Word document. Where did the coffee table get stored after he copied it

In the ram

Where on a computer is the operating system generally stored

Internal hard drive

Which cache levels are usually build onto the processor chip

L1, L2

Which of these is not an input device

Printer

Well naming a file on the computer if we press the key corresponding toE on the keyboard, what process is carried out inside the CPU to display the letter on the screen

A is converted to its ASCII binary code and stored in the memory unit. Then it converted back to a for display

Software providers may use — to limit the number of devices on which you can install an app

Activation

You type out a few sentences in an MS Word file, and save it on your desktop. How is the data stored in the computer?

As a combination of ones and zeros

Which of the following helps to minimize data loss due to a hard drive problem

Backing up frequently to at least two locations, keeping the area around the device clean, moving the device with care

Speakers and headphones can connect to devices using

Bluetooth, USB, a 3.5 MM audio jack

Interference is a common problem with — Devices

Bluetooth, wireless

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow

Bottlenecking

What determines the speed at which data travels

Bus width

Jason takes many photographs on his smart phone while on vacation in Italy. If Jason wants to access those pictures across multiple devices, including his computer, smart phone, and tablet where should he store them

Cloud storage

Some software lets you choose between standard and — installation

Custom

Jennifer recently bought a new computer to type a new manuscript she's been working on. She also stored a lot of movies on it to watch during her free time. The other performance was good at the beginning, it deteriorated quickly over a small period of time. Which of these is most likely the cause

Declining free space on the hard drive

The root directory is the main list of

Files and folders on the drive

Solid-state hard drive's or a type of — memory

Flash

Ram is measured in

Gigabytes

Which of these hardware components can you use to store videos

Hard drive

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees computers remain protected from viruses and other malware

He should have periodic antivirus scanning and software upgraded on all computers

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him

He should make sure to bring a tablet

Alex needs to email his graduation certificate to a prospective employer. He only has physical copies of the certificate. What device could he use to perform the task

He should use a scanner, which would convert an image into an electronic file

Ryan wants to install a new operating system on his laptop, but first he needs to safely store all of his data so he doesn't lose any of his files. How should Ryan back up all of his data

He should use an external hard drive to store the data because the amount of data he needs to store is quite large

The hard disk drive on Joyce's laptop can store up to 500 GB of data. She usually only saves official documents and a few songs that she listens to while she works. However, when she uses more than three applications at the same time, her laptop responds more slowly. What should she do to optimize her storage

Increase the RAM on her laptop so that more space for temporary storage of data is available, hence, increasing the performance

Laptops, all in one desktops, and smart phones usually have

Internal microphones

Cloud storage is

Internet service that provides remote data storage, a safe and easy back up option for many consumers, good for sharing links to large files

I fitness tractor is an example of a(n) — device

Mixed

What type of communications hardware connect a router to the Internet

Modem

A server that provides storage to network users is called

Network Attached storage

A computer typically connects to a router via a

Network interface card

A low bit rate results in a more realistic sound

No

A scanner is a light-sensing device that converts a digital image into an analog format

No

Failure to properly eject a USB flash drive can damage the computer's memory

No

Hard disk drives contain no moving parts

No

In order to support file sharing, your PC must run a network operating system

No

Microsoft windows is an example of application software

No

Most devices require the user to install the operating system before use

No

Random access memory is a permanent storage location

No

The system restore command in windows returns deleted or modified documents

No

iOS is an open source operating system and can run on devices from a variety of manufacturers

No

Many touchscreens have a coating that is

Oleophobic

Benchmarking is an evaluation of

Performance

— can A car when recording words containing the letters P & B

Plosives

Which type of printer drives continuous lines on large rolls of paper

Plotter

What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer

Plug-and-play

A peripheral device communicate with your computer through a

Port

Things to consider when buying a new computer include

Price, purpose, operating system, form factor

Overheating caused by direct sunlight can damage the

Processor, LCD screen, hard drive

RAID stands for

Redundant array of independent disks

To reinstall windows but keep your personal files, use the _____ command

Reset this PC

A touch screen

Responds to physical touch, is a visual display

What is the correct way to update a device driver

Run the update within the iOS or the latest software from the device manufacturers website

What performance specification does 2 GHz refer to

Speed at which the processor executes instructions

When considering the purchase of a peripheral, you should

Study its specifications, consider whether a service plan or an extended warranty is necessary, know if your computer can connect to it

In the file path C> documents> recipes> pancakes, "recipes" is a

Sub directory

The main categories of software are

System, application, development

When we type text into an MS Word document, we press some keys on the keyboard, and the corresponding letters appear on the screen. What happens in the background?

The computer receives our input, and instantly stores it in binary font, converts it into letters, and displays it on the screen

Modern processors often have — levels of cache

Three

The __ in mini video-editing apps displays the sequence of clips

Timeline

A laptop typically includes a

Touchpad or trackpad, keyboard

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following would happen before the step

Transfer contacts to an external storage device

What is the first step to performing hardware maintenance

Turn off the computer and remove its power source.

Alessandro wants to use his Desktop computer to video chat with his mother. What hardware does he need to accomplish this

Use his WebCam and speakers so that he and his mother can both see and hear each other

The two categories of system software are

Utilities and operating systems

Microphones are essential for

Video conferencing, recording live music, voice recognition

Software that converts text into speech is called a

Voice synthesizer

What device do e-learning applications usually used to help users with visual impairment read digital content

Voice synthesizer

Karin realized that a song takes up a lot more space on her computer than that lyrics of the song typed out in an MS word document. why does this happen?

While storing sound, I computer stores a lot of information -like amplitude and frequency -that it does not while it saves text

A program is a set of instructions that tells a computer how to perform task

Yes

A router manager is the flow of network traffic

Yes

A specific touch motion you use to issue commands is called a gesture

Yes

Inkjet printers use pressurized nozzles to spray ink on the paper

Yes

Ram stores data in a way that allows you to change the data

Yes

Set an impact can stop a hard disk drive from working

Yes

Solid-state drives are more durable than hard disk drives

Yes

Some operating systems identify each drive by a name

Yes

Storage device problems can prevent a computer from starting up properly

Yes

The basic sound units of speech are called phonemes

Yes

The connector on a USB flash drive allows transmission of the data and power

Yes

The software You plan to use will affect which OS you choose

Yes