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Questions and Answers

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

  • The introduction of personal desktop productivity software tools
  • The introduction of the IBM 1401 and 7090 transistorized machines (correct)
  • The proliferation of PCs in the 1980s
  • The introduction of the IBM 360 series

Which era saw the introduction of personal desktop productivity software tools?

  • General-Purpose Mainframe and Minicomputer Era
  • Personal Computer Era (correct)
  • Transistorized Machines Era
  • Evolution of IT Infrastructure Era

At what point did mainframe computers become powerful enough to support thousands of online remote terminals?

  • 1965 (correct)
  • 1981
  • 1959
  • 1990s

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

<p>Transistorized machines in 1959 (D)</p> Signup and view all the answers

In client/server computing, what is the role of the client?

<p>Acting as the user point of entry (D)</p> Signup and view all the answers

What is the main characteristic of Cloud Computing Model?

<p>Access to a shared pool of computing resources over a network (C)</p> Signup and view all the answers

What is the purpose of enterprise-wide infrastructure in the Enterprise Computing Era?

<p>Integrating disparate networks and applications throughout the firm (C)</p> Signup and view all the answers

What determines the power of personal computers, according to the text?

<p>Capacity and flexibility (D)</p> Signup and view all the answers

What is the function of the control unit in a CPU?

<p>Tells the computer system how to carry out a program’s instruction (C)</p> Signup and view all the answers

What type of memory is volatile and loses its contents when the computer is powered off?

<p>RAM (B)</p> Signup and view all the answers

What does the acronym 'BIOS' stand for in the context of computer hardware?

<p>Basic Input/Output System (C)</p> Signup and view all the answers

What does a TV tuner do when installed in a computer system?

<p>Allows the computer to receive and display television signals (B)</p> Signup and view all the answers

What is the primary characteristic of secondary storage?

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

What technology do ink-jet printers use to produce images?

<p>Spray ink at high speed (C)</p> Signup and view all the answers

What causes 'tablet hunch' as mentioned in the text?

<p>Improper alignment of the head to the viewing surface (B)</p> Signup and view all the answers

How do hard disks store and organize files?

<p>By altering the magnetic charges of the disk's surface (B)</p> Signup and view all the answers

Which type of mouse has no moving parts and uses radio waves or infrared light waves for operation?

<p>Wireless mouse (A)</p> Signup and view all the answers

What type of scanner is commonly used in grocery stores for automated checkout and inventory control?

<p>UPCs and MaxiCode readers (B)</p> Signup and view all the answers

What type of readers contain tiny chips embedded in items and can be read using an RFID reader located several yards away?

<p>RFID Readers (D)</p> Signup and view all the answers

Which type of output device is known for delivering a much clearer and more detailed image than regular HDTV?

<p>Ultra High-definition television (UHDTV) (D)</p> Signup and view all the answers

What are the characteristics of solid-state devices (SSDs)?

<p>They are faster and more durable than hard disks, and widely used in laptops and smartphones (B)</p> Signup and view all the answers

What is the main function of a Storage Area Network (SAN)?

<p>To link remote computer storage devices and provide efficient and secure access (A)</p> Signup and view all the answers

What is the potential impact of quantum computing?

<p>It will allow for tectonic shift in architectures and software (A)</p> Signup and view all the answers

What is the role of nanotechnology in computer science?

<p>It enables the perception, measurement, and building of materials at the nanometer scale (B)</p> Signup and view all the answers

What is the main advantage of using a cloud storage service?

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

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