...INDIVIDUAL PRODUCT/SERVICE ANALYSIS GCHAWLA MKT 555 – SECTION 340 JUNE 9, 2010 I recently purchased a Research in Motion’s (RIM) Blackberry Curve 8900. RIM has a commanding 56% share of the $12 billion U.S. smart phone market, and its sales are still accelerating. In fact, according to industry tracker IDC, the bestselling smart phone in the U.S. so far this year by units is not the iPhone but the BlackBerry Curve. The Curve’s competitors include the Apple iPhone and the Motorola Android smart phone. Most people think of Apple as RIM's biggest threat. While that may be true, there is probably no single event that has done more for RIM's business than the iPhone launch. It was Apple that convinced consumers that they could enjoy the ease and power of a desktop in a handheld device, thus opening a vast new market. Overnight the smart phone became, by popular demand, a consumer device. Since the iPhone's introduction in June 2007, BlackBerry quarterly sales have more than tripled, from $1.1 billion to $3.4 billion. Three of the five top-selling mobile phones in the U.S. are now BlackBerrys. Blackberry uses a demographic segmentation approach. Traditionally, Blackberry phones have been targeted to business professionals only. They were not priced or developed for the every day cellular user. The Blackberry Curve 8900 is still primarily targeted to the business professional. The phone comes preloaded with the mobile version of Microsoft Office...
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...that further bolster the recommended technological improvements. Square is a good company to consider with iPad, iPhone, and android support built in with the hardware that attaches to those devices seamlessly. Dominque’s first option of extending driver shifts comes with a massive increase in potential problems. Having drivers on the road for extended periods of time provides the propensity for increases in accidents, mistakes in delivery and overall compounds the likelihood of human error to appear. The bottom line is tired and overworked drivers equal unsafe and unhappy drivers. This move would also require significant investment in staff support to ensure service levels would remain adequate. The second option was to bolster the RIMMS system to enhance the analytical capabilities to include profitability measures as well as improved route delivery logistics. The costs are estimated at $250,000. Given the stated objectives, we believe this approach falls most in line with what they are trying to accomplish. The third option he was considering included increases prices. This move is unwarranted as there has not been a notable increase in demand to justify an increase in consumer pricing models. The perception that service...
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...1.08 Memory SRAM vs DRAM • SRAM (Static RAM) o Faster and more expensive o Does not need refreshing o Cache memory for CPU • DRAM (Dynamic RAM) o Used for computer RAM • Types of RAM o SIMM o DIMM o RIMM • SIMM o Used in older computers o 32-bit data path o 30-pin & 72-pin versions • DIMM o 64-bit data path o Synchronized to system clock o SDRAM- (Synchronous Dynamic RAM) DDR SDRAM (double rate data) DDR2 SDRAM (double rate data 2) • DRAM (original SDRAM) o 168 pins o 2 notches for alignment • DDR SDRAM o 184-pins o One notch for alignment o Two times faster than SDRAM • DDR2 SDRAM o 240-pins o One notch for alignment o Four times faster than SDRAM Dual Channeling • DDR & DDR2 SDRAM o Dual channeling technology o Two slots process information together • Memory slots must be balanced o Both filled with same size RAM modules o Or both empty • RIMM or RDRAM o Similar in appearance to DIMM o Two notches in center of module o Faster but more expensive o DDR & DDR2 dominates today’s market RIMM • All memory slots filled o With memory modules and continuity (C-RIMM) module Memory Errors • Parity bit o Check integrity Determine if byte is good or bad Cannot determine which bit is bad • ECC o Can check bits and repair bits In this video I learned the different types of memory and their components to them. I liked the differences it gave between SRAM and DRAM. It showed the superiority DDR over SDRAM. The speeds and data...
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...INSTRUCTION CYCLE The fundamental sequence of steps that a CPU performs. Also known as the "fetch-execute cycle," it is the time in which a single instruction is fetched from memory, decoded and executed. The first half of the cycle transfers the instruction from memory to the instruction register and decodes it. The second half executes the instruction. RAM TYPES Today, most RAM implementations are synchronous dynamic RAM (SDRAM) and Rambus DRAM (RDRAM). SDRAM with 168-pin DIMMs are the most common modules. Before SDRAM and RDRAM, there was dynamic RAM (DRAM). Older Pentiums used fast page mode (FPM) and extended data-out (EDO) RAM. FPM and EDO RAM are 72-pin memory modules. Dynamic RAM (DRAM) DRAM is a classic form of RAM and has since been replaced by the faster and less expensive SDRAM. DRAM stores data electrically in a storage cell and refreshes the storage cell every few milliseconds. Extended Data-Out RAM (EDO RAM) EDO RAM is faster than DRAM. EDO RAM has also been replaced by SDRAM. EDO RAM is an improvement on DRAM because it has advanced timing features. EDO extends the amount of time data is stored and has a reduced refresh rate. This alleviates the CPU and RAM from timing constraints and improves performance. Synchronous DRAM (SDRAM) SDRAM replaced DRAM, FPM, and EDO. SDRAM is an improvement because it synchronizes data transfer between the CPU and memory. SDRAM allows the CPU to process data while another process is being queued. Figure shows an SDRAM...
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...Unit 6 Assignment 1: Video Summary 4 1. Video 1.06 Storage Devices 2. Information Summary The clip tells about how a magnetic, optical, and solid state storage devices work, about the various interfaces such PATA/IDE, SATA, SCSI, USB, and FireWire. The clip also discussed about recognizing and identifying cables and connectors, pin configurations, and speeds associated with each technology. 3. Topics presented: * * New Hard drive Installation * Hard Drives * 137 GB Limit * 300 GB Hard Drive Scenario * Hard Drive Interfaces * PATA * SATA * SCSI * USB * FireWire * PATA or Parallel ATA * ATA 100 * ATA 133 * SATA or Serial ATA * Floppy Drives * 3 ½”Disk * 5 ¼”Disk * Floppy Drives Formatting * Power Supply Connections * Connection Types * Molex * Berg * Floppy Drive Cables/Connectors * CDs * Pits and lands * Laser Reading * Types of CDs * CD-ROM * CD-R * CD-RW * DVDs * Multiple layers increase capacity * HD-DVD * Blu-Ray * CDs and DVDs * Power Supply * Motherboard * Best Arrangement * Care & Handling * SCSI Devices * Three SCSI Standards * SCSI-1 * SCSI-2 * SCSI-3 * SCSI Connector * Narrow SCSI * Wide SCSI * Internal or External SCSI *...
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...We have two types of memory. Read only memory (ROM) and random access memory (RAM). For RAM there is Static RAM and Dynamic RAM. SRAM is faster, more expensive, does not need refreshing and is used by the CPU to store its cache memory. DRAM is used for computer memory. SIMM, DIMM, and RIMM are the three types of RAM modules. SIMMS are no longer used in today but you might see them if you’re working on an older computer. DIMMs were the first to be synchronized with the system clock, and were referred to as Synchronous Dynamic RAM (SDRAM). DDR SDRAM and DDR2 SDRAM use dual channeling. In dual channeling both slots of the DDR must be filled with the same amount of memory. With RIMM slots all the slots must be filled either with memory modules or continuity (C-RIMM) modules. Earlier RAM had an extra bit known as parity bit to check for errors. Unfortunately, it would only detect if a bit was bad or good without a way to fix it. ECC is used in modern memory to correct memory errors at the bit level and correct any problems it may find. There are magnetic, optical, and solid state storage devices. Floppy disks and hard drives are magnetic storage devices. If exposed to a magnet data loss may result. Hard drives have a 137 GB limit. You must flash the BIOS to upgrade it and it will allow it to support a larger number of hard drive addresses. The Hard drive interfaces to attach to the motherboard are PATA/IDE, SATA, SCSI, USB, and FireWire. Along with hard drives, parallel ATA (PATA)...
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...Atmiņas moduļi. Tehnoloģijas, attīstība. Izstrādāja: I.Štāla Vidzemes Augstskolas Informācijas tehnoloģijas e-vidē 1.kurss 2012./2013. mācību gads IEVADS Operatīvā atmiņa (angļu: Random Access Memory - RAM) ir datoru atmiņa, kurai centrālais procesors spēj piekļūt tieši, tas ir - izpildīt tur esošās programmas vai apstrādāt tur esošos datus. Procesors tieši spēj piekļūt tikai operatīvajai atmiņai un lasāmatmiņai, tāpēc pirms jebkuras apstrādes vai izpildes citu veidu atmiņu saturs vispirms jāielādē operatīvajā atmiņā. Brīvpiekļuves atmiņai parasti raksturīga labāka ātrdarbība nekā diskiem, taču tās saturs pēc elektrības pārrāvuma izzūd un tur esošie dati netiek saglabāti. Operatīvā atmiņa pieder dinamisko atmiņu kategorijai - tas nozīmē, ka darbības laikā ik pa noteiktam laika sprīdim tās saturs ir jāatjauno. Dinamiskās atmiņas pamatelements ir kondensators, kurš var atrasties uzlādētā vai neuzlādētā stāvoklī. Ja kondeksators ir uzlādēts, tad elementā ir ierakstīta vērtība 1, ja izlādēts - 0. Ideālā kondensatorā lādiņš var saglabāties bezgalīgi ilgi, taču reālajā kondensatorā pastāv strāvas noplūdes, tādēļ dinamiskās atmiņas elementā ierakstītā informācija var pazust. Atjaunošanas (reģenerācijas) process norit katras datu ieraktīšanas vai nolasīšanas laikā. Neviena programma nevar garantēt, ka tā griezīsies pie visām atmiņas šūnām. Tāpēc ir izveidota speciāla shēma, kura ik pēc noteikta laika (piemēram, 2 ms) veiks datu nolasīšanu no visām atmiņas rindām....
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...CHAPTER 1 The Problem and Its Background Introduction Statement of the Problem Hypotheses of the Study This study is designed to assess the hypothesis that the factors affecting the academic failure of the college students of San Beda Alabang can be narrowed down to three: self and peers, family, and personnel/facilities. Significance of the Study This part will briefly discuss about the importance of the study to the following: The students: Since this study focuses on the students, it serves as a reference to help eliminate factors that contribute to your academic performance. It will also help students to develop some good studying habit that may help them to improve their grades. The Academy, Families and Peers: This study will help the school (as well as its personnel) to understand more of the students’ necessities in having a good performance in school and what can they do to help them. It also helps in developing a better communication between students and people mentioned above. It will also give you knowledge about flaws that may have contributed to a student’s performance. The Future Researcher: This study can serve as a guide in your own research work or for improving this particular study. Scope and Delimitation As the title itself says, the main focus of the research is based on the internal and external factors that affect the students’ academic performance specifically on failure. The research is done at the campus of San Beda College Alabang few...
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... The Double Data Rate SDRAM is the standard type of RAM used in modern days. These RAMS transfer data in a faster manner by transferring data twice per transfer cycle. RDRAM has the ability to communicate with devices at very high speeds. These RAMs were used in gaming systems initially such as for the Nintendo 64 and for the PlayStation 2. The SIMMs, DIMMs and RIMMs are DRAM memory module formats Single Inline Memory Module (SIMM) is a type of memory package that could contain up to 8 to 9 RAM chips. Further the bus width for SIMM is 32 bits. The Dual In line Memory Module (DIMM) started to replace the SIMMs as the data bus width began to increase. The main difference of DIMMs compared to SIMMs is that the DIMM consists of independent electrical contacts on either side of its module. Furthermore the DIMMs has a data bus of 64bit while the SIMMs got 32 bit. Rambus In-line Memory Module (RIMM) is similar to the DIMM but is known as RIMMs since they require a manufacturer and a proprietary slot. 2.3 External Hardware The External Hardware is also known as peripheral devices connected to the computer from the outside of the computer casing. These are three main types of peripheral devices as Input, Output and Storage devices. 2.3.1 Input Peripheral Devices The input peripheral devices include • Keyboard...
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...High school caught me off guard. Unlike middle school and elementary school where the schools were small and the teachers knew me somehow, high school was big and the changing of schedule every year made me an invisible student. I never communicated with my teachers or classmates. I felt like I should solve my problems on my own and had to be kept to myself. I heard my fellow classmate one day during my senior year talking to my English teacher about him being depress because he lost his friend in a car crash. If felt like he should’ve talk to his parents rather than talking to the teacher in front of the whole class. I realized that later in my life that it’s called being open minded, and it leads to a good friendship. It can be very helpful...
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...There are two types of memory ROM (read only memory) and RAM (random access memory). There are two types of RAM: DRAM and SRAM. DRAM aka dynamic random access memory, is the most common but not as fast. SRAM aka static random access memory, is much faster than DRAM in terms of speed, but is not purchased as often because of its price. There are three types of DRAM; SIMM, DIMM, and RIMM. SIMM were used in older model computers. They ran on a 32-bit data path and could either be 30 or 72-pin. The 30-pin was smaller with no notch and the 72-pin had a single notch offset from the center. DIMM has a 64-bit data path. Today’s DIMM is known as SDRAM or synchronous dynamic RAM. It comes in either DDR SDRAM (double data rate) or DDR2 SDRAM (double data rate 2). The original SDRAM had 168 pins and two notches for alignment. DDR SDRAM had 184 pins, one notch for alignment, and is two times faster than SDRAM. The DDR2 SDRAM has 240 pins, one notch for alignment and is four times faster than SDRAM. Both DDR and DDR2 SDRAM use duel channeling technology meaning that two slots process information together faster. RIMM is known as RAMBUS or RDRAM. It is similar in appearance to DIMM. It has two notches in the center for alignment. It is faster but more expensive. Thought to replace SDRAM but DDR and DDR2 dominates it today. To check for memory errors in older computers it used technology called parity bit which checked the integrity of each byte. It determined if byte was good or bad but not...
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...means Compact Disk * DVD means Digital Video Data There are a lot of ways to store information and upgrade your system. It is best to connect the motherboard to one cable by its self. There are two type of power supply. They are the Molex and Berg. The IEEE 1394 is supposed to replace the SCSI. It would be good to wire the computers in the office into one main tower. Video 1.08 They are two types of memory in the computer. They are the ROM and RAM. They are many different types for each type. Tropics * ROM * RAM * SRAM * DRAM * SIMM * DIMM * RIMM * SDRAM * DDR * DDR2 * ECC Terms * ROM means read only memory * RAM means random access memory * SRAM means Static random access memory * DRAM means dynamic random access memory * SIMM means single in-line memory module * DIMM means dual in-line memory module * RIMM means rambus in-line memory module * SDRAM means synchronous dynamic random access memory * DDR means double data rate * DDR2 means double data rate 2 * ECC means error-correcting code It would be helpful and useful for determine how much memory is being used and if they need more. It would also help so you know if the memory slots need to be filled or...
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...DVDs CDs- art read by laser, some are read only, recordable and rewriteable DVDs- shorter wavelength laser that increases capacity SCSI Devices-set of standards for physically connecting and transferring data between computers and peripheral devices; three standards: regular, fast and ultra IEEE 1394- standard for high-speed communications and isochronous real-time data transfer; firewall and i.LINK Solid State Removable- compact flash used in PC card slot Tape Drives-must read from beginning to end Video 1.08 • SRAM vs DRAM • DRAM • Dual Channeling • RIMM • Memory Error Video 1.08 SRAM vs DRAM- SRAM doesn’t need to refresh periodically; DRAM needs to refresh every few milliseconds DRAM- stores each bit of data in a separate capacitor within an integrated circuit Dual Channeling- computer with 3 GB RAM RIMM-computer memory; two notches in the center of the module Memory Errors- check integrity of each byte; cannot determine which byte is...
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...Unit 6 Assignment 1 Video Summary 4 2/14/2014 Monica Wagner (17887806) | * Hard Drive * Hard drive comprised of platters * Read/write heads for each platter * Read and write on top and bottom of platter * Never expose to magnet * Data loss my result * 137GB Limit * Hard drive size limited to 137GB * Not a physical limit * Limited by addresses system can support * 28-bit communications * Limit to 268,435,555 addresses * Equates to 137GB * Flash Bios to upgrade * Hard Drive Interfaces * PATA, SATA, SCSI, USB, and Fire wire * Most common is PATA inter faces * Sometimes referred to as IDE or EIDE * IDE describes drive standard * Not the connector * Refers to hard drives, CD drive, DVD drives and tape drives * Now used inter changeably with PATA * PATA- Parallel ATA * IDE (PATA) cable has two connections * Master and Slave * Motherboard supports two cables * Primary and secondary * Four devices total * Primary master and primary slave * Secondary master and secondary slave * Motherboard Connectors * Blue=primary channel * Black=secondary channel * Cable connectors * Blue=plugs to motherboard * Black=first device * Gray=second device * Master/Slave designation * Not determined...
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