1. What is computer hardware and what are the major hardware components?
Computer hardware refers to the physical equipment used for the input, processing, output, and storage activities within a computer system.
The six major hardware components of computer systems: the central processing unit, primary storage, secondary storage, input technologies and output technologies.
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2. What is Moore's Law/what does it mean in relation to computers.
Founder of Intel, he predicted that speed of computers will double every 24 months and that processor chips would continuously get smaller.
3. In basic terms, describe how a microprocessor functions.
The control unit accesses programs instructions, decodes them, and controls the flow of data to and from the arithmetic logic unit ALU, registers, caches, primary and secondary storage and various output devices.
The ALU performs the mathematic calculations and makes logical comparisons.
The registers are high speed storage areas that store very small amounts of data instructions for short periods of time.
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4. What factors determine the speed of the microprocessor?
Clock speed
Word length
Bus width
Physical design of chip
5. What are the four main types of primary storage.
Random Access Memory (RAM) - holds software programs as they run and small amounts of data for processing.
4. What factors determine the speed of the microprocessor?
Clock speed
Word length
Bus width
Physical design of chip
5. What are the four main types of primary storage.
Random Access Memory (RAM) - holds software programs as they run and small amounts of data for processing.
www.ralphlosey.files.wordpress.com/2007/06/ram.jpgCache Memory- high speed memory that enables the computer to temporarily store blocks of data that are used more often and that a processor can access more rapidly than main memory
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Read Only Memory- a type of chip where certain critical instructions are safeguarded.
www.img.zdnet.com/techDirectory/CACHEMEM.GIFRead Only Memory- a type of chip where certain critical instructions are safeguarded.
www.hama.co.uk/.../body/memorycards/cf_card2.jpgRegisters - smallest memoryt: store instructions only immediately before and after processing
6. What are the main types of secondary storage?
Magnetic media – Hard drives
Optical media – CD ROM and DVD ROM
Solid state media – Flash/USB Drives
Optical media – CD ROM and DVD ROM
Solid state media – Flash/USB Drives
7. How does primary storage differ from secondary storage in terms of speed cost and capacity?
Primary is faster but more costly and smaller than secondary storage
8. What are enterprise storage systems?
An enterprise storage system is an external system with intelligence that includes two or more storage devices. There are three major types of enterprise storage subsystems: redundant arrays of independent disks (RAIDs), storage area networks (SANs), and network-attached storage (NAS).
Provide large amounts of storage, high performance data transfer, a high degree of availability, protection against data loss and sophisticated management tools.
9. Distinguish between human data input devices and source data automation.
Human data input devices: rely on humans to input data, and prone to human error. Such as: keyboards, mouse
Source data automation: far more accurate and faster. Such as barcode scanners
10. What is one new technology that will change how we do things? You need to do some research
The Livescribe Pulse Digital Smartpen records notes in 2 ways:
Creates digital copies of everything you write by hand while recording audio at the same time.
Links the two together, so you can quickly access audio by poking parts of the notes.
The data is Uploaded to the computer where the Livescribe software archives and makes your notes fully searchable.
It offers features like a calculator, translator, and a paper piano that plays a mini piano which you draw on the paper.
www.gizmodo.com/386809/review-livescribe-pulse-digital-penrecorder-verdict-its-good-for-notetakers
An interesting video/advertisment on the Smartpen and its numerous features can be seen on this url: www.youtube.com/watch?v=Ag6R8v9YZ2k
Primary is faster but more costly and smaller than secondary storage
8. What are enterprise storage systems?
An enterprise storage system is an external system with intelligence that includes two or more storage devices. There are three major types of enterprise storage subsystems: redundant arrays of independent disks (RAIDs), storage area networks (SANs), and network-attached storage (NAS).
Provide large amounts of storage, high performance data transfer, a high degree of availability, protection against data loss and sophisticated management tools.
9. Distinguish between human data input devices and source data automation.
Human data input devices: rely on humans to input data, and prone to human error. Such as: keyboards, mouse
Source data automation: far more accurate and faster. Such as barcode scanners
10. What is one new technology that will change how we do things? You need to do some research
The Livescribe Pulse Digital Smartpen records notes in 2 ways:
Creates digital copies of everything you write by hand while recording audio at the same time.
Links the two together, so you can quickly access audio by poking parts of the notes.
The data is Uploaded to the computer where the Livescribe software archives and makes your notes fully searchable.
It offers features like a calculator, translator, and a paper piano that plays a mini piano which you draw on the paper.
www.gizmodo.com/386809/review-livescribe-pulse-digital-penrecorder-verdict-its-good-for-notetakers
An interesting video/advertisment on the Smartpen and its numerous features can be seen on this url: www.youtube.com/watch?v=Ag6R8v9YZ2k
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