25 Questions
What marked the beginning of widespread commercial use of mainframe computers?
The introduction of the IBM 1401 and 7090 transistorized machines
Which era saw the introduction of personal desktop productivity software tools?
Personal Computer Era
At what point did mainframe computers become powerful enough to support thousands of online remote terminals?
1965
What type of machines marked the beginning of widespread commercial use of mainframe computers?
Transistorized machines in 1959
In client/server computing, what is the role of the client?
Acting as the user point of entry
What is the main characteristic of Cloud Computing Model?
Access to a shared pool of computing resources over a network
What is the purpose of enterprise-wide infrastructure in the Enterprise Computing Era?
Integrating disparate networks and applications throughout the firm
What determines the power of personal computers, according to the text?
Capacity and flexibility
What is the function of the control unit in a CPU?
Tells the computer system how to carry out a program’s instruction
What type of memory is volatile and loses its contents when the computer is powered off?
RAM
What does the acronym 'BIOS' stand for in the context of computer hardware?
Basic Input/Output System
What does a TV tuner do when installed in a computer system?
Allows the computer to receive and display television signals
What is the primary characteristic of secondary storage?
Nonvolatile storage
What technology do ink-jet printers use to produce images?
Spray ink at high speed
What causes 'tablet hunch' as mentioned in the text?
Improper alignment of the head to the viewing surface
How do hard disks store and organize files?
By altering the magnetic charges of the disk's surface
Which type of mouse has no moving parts and uses radio waves or infrared light waves for operation?
Wireless mouse
What type of scanner is commonly used in grocery stores for automated checkout and inventory control?
UPCs and MaxiCode readers
What type of readers contain tiny chips embedded in items and can be read using an RFID reader located several yards away?
RFID Readers
Which type of output device is known for delivering a much clearer and more detailed image than regular HDTV?
Ultra High-definition television (UHDTV)
What are the characteristics of solid-state devices (SSDs)?
They are faster and more durable than hard disks, and widely used in laptops and smartphones
What is the main function of a Storage Area Network (SAN)?
To link remote computer storage devices and provide efficient and secure access
What is the potential impact of quantum computing?
It will allow for tectonic shift in architectures and software
What is the role of nanotechnology in computer science?
It enables the perception, measurement, and building of materials at the nanometer scale
What is the main advantage of using a cloud storage service?
File sharing and collaboration
Test your knowledge about input and output devices with this quiz. Learn about keyboards, pointing devices, scanning devices, and more.
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