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hard that make me ware

Test your knowledge about input and output devices in computer hardware. Learn about keyboards, pointing devices, scanning devices, and more.

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Questions and Answers

What is the primary function of the microprocessor in a computer system?

Perform arithmetic and logical operations

What is the purpose of flash memory in a computer system?

Contains startup information and handles keyboard input

What is the function of expansion slots in a computer system?

Provide expansion capabilities for the computer

What is the significance of bus width in a computer system?

<p>It determines the number of bits that can travel simultaneously down a bus</p> Signup and view all the answers

What is the role of standard ports in a computer system?

<p>Connect keyboards, mice, printers, and storage devices</p> Signup and view all the answers

Which marked the beginning of widespread commercial use of mainframe computers?

<p>The introduction of the IBM 1401 and 7090 transistorized machines</p> Signup and view all the answers

During which era did mainframe computers become powerful enough to support thousands of online remote terminals?

<p>General-Purpose Mainframe and Minicomputer Era</p> Signup and view all the answers

What launched a spate of personal desktop productivity software tools such as word processors and spreadsheets?

<p>Proliferation of PCs in the 1980s and early 1990s</p> Signup and view all the answers

Which era saw the introduction of the IBM 360 series?

<p>General-Purpose Mainframe and Minicomputer Era</p> Signup and view all the answers

What type of machines marked the beginning of widespread commercial use of mainframe computers?

<p>Transistorized machines - IBM 1401 and 7090</p> Signup and view all the answers

What type of device accepts pointing gestures and converts them into machine-readable input?

<p>Touch screen</p> Signup and view all the answers

Which type of mouse has no moving parts and can be used on any surface?

<p>Optical mouse</p> Signup and view all the answers

What type of scanner converts scanned data into a form that the system unit can process?

<p>Flatbed scanner</p> Signup and view all the answers

Which device contains photo-electric cells that scan or read bar codes printed on product containers?

<p>Wand reader</p> Signup and view all the answers

What type of device recognizes special characters and marks, such as magnetic-ink characters on checks?

<p>Optical-character recognition (OCR)</p> Signup and view all the answers

What describes the client/server computing model?

<p>Desktop computers are networked to powerful server computers, with processing work split between the two types of machines.</p> Signup and view all the answers

What is a characteristic of cloud computing?

<p>It allows access to a shared pool of computing resources over a network, often the Internet.</p> Signup and view all the answers

What is the purpose of enterprise-wide infrastructure in the context of networking standards and software tools?

<p>To integrate disparate networks into a single enterprise-wide network.</p> Signup and view all the answers

What is a defining feature of the system unit in desktop computers?

<p>The system unit is in a separate case from other components.</p> Signup and view all the answers

How does cloud computing differ from traditional client/server computing?

<p>Cloud computing provides access to shared computing resources over a network, often the Internet, while client/server computing requires direct connections between clients and servers.</p> Signup and view all the answers

What is the primary characteristic of secondary storage?

<p>Nonvolatile storage</p> Signup and view all the answers

Which type of printer uses a laser light beam to produce images and is known for fast, excellent quality?

<p>Laser printer</p> Signup and view all the answers

In which type of storage do charges on a disk surface store data by altering the magnetic charges of the disk's surface to represent 1s and 0s?

<p>Hard disks</p> Signup and view all the answers

What happens in a head crash in relation to hard disks?

<p>Read-write head makes contact with the hard disk's surface</p> Signup and view all the answers

What is the primary difference between internal and external hard disks?

<p>Internal hard disks are located inside the system unit, while external hard disks are removable</p> Signup and view all the answers

Which of the following is a characteristic of solid-state drives (SSDs)?

<p>Faster and more durable than hard disks</p> Signup and view all the answers

What is the function of lands and pits on optical discs?

<p>Represent 1s and 0s on the disc</p> Signup and view all the answers

What is a key advantage of cloud storage services?

<p>File sharing and collaboration</p> Signup and view all the answers

What type of devices are included in a Storage Area Network (SAN)?

<p>RAID systems</p> Signup and view all the answers

According to the text, what technology will cause a tectonic shift in architectures and software as a replacement for DRAM?

<p>Universal Memory</p> Signup and view all the answers

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