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Nt1110 Unit 6 Student Study Guide

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NT1110 Unit 6 Student Study Guide

1. What are the two types of memory found in your computer?

RAM & ROM

2. Discuss the features of RAM.

RAM can be changed at any time and loses its data when power is turned off

3. What is an important characteristic of DRAM?

DRAM is Dynamic

4. What type of RAM does not require refreshing?

SDRAM DRAM

5. Discuss the main feature of DDR and DDR2.

DDR – Double Data Rate
DDR2 – Double Data Rate Enhanced

6. What is a RDRAM module? Discuss its application.

A dynamic variant of the RAM

7. Compare and identify memory modules.
168 pin DIMM
100 pin DIMM
172 Pin Micro DIMM or DDR 8. Which type is used in laptops?
144-pin SODIMM 9. Discuss the geometry of hard drives.
The Geometry of hard drive is organization of data on Platters
10. How many drives can be attached to one PATA cable?

2 Drives

11. How are they identified?

IDE or SATA

12. Define UDMA.

The UDMA interface was the fastest method used to transfer data between the computer and
ATA devices until serial ATA.
13. Discuss the major features of ATA drives.

ATA drives are the standard interface that connect hard disks and optical units to a computer.

14. What information is provided by the PATA BIOS?

LBA Translation, Hard drive geometry and Data transfer rate

15. List the three geometry factors.

Number of cylinders, write/ read heads and sectors per track

16. Define RAID.
RAID is a method for creating a faster or safer single logical hard disks drive from two or more physical drives
17. Discuss the RAID types used by ATA and SATA. Number of drives supported and methodology.

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