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1. Dear students get fully solved assignments
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Assignment
DRIVE SUMMER, 2015
PROGRAM BSCNT
SEMESTER 2
SEMESTER CODE & NAME BNT202-UNDERSTANDING PC & TROUBLE SHOOTING
BK ID B1416
CREDIT 4
MARKS 60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately
of 400 words. Each questionis followedbyevaluationscheme.
1 Explaindifferentarchitecturesofthe memory that are foundin the system?
Answer: The term memory hierarchy is used in computer architecture when discussing performance
issues in computer architectural design, algorithm predictions, and the lower level programming
constructs such as involving locality of reference. A "memory hierarchy" in computer storage
distinguishes each level in the "hierarchy" by response time. Since response time, complexity, and
capacityare related, the levelsmayalsobe distinguishedbythe controllingtechnology.
The many trade-offsindesigningforhighperformance
2 Describe the process of configuringthe standard CMOS setup.
Answer: The function of CMOS RAMis to store information your computer needs when it boots up, such
as Disk Drive details, Keyboard type and Video Interface information, details of the configuration of the

2. PCI Bus slots and even a Password to restrict access to the CMOS. If the battery that powers your CMOS
RAMdies, all this information is lost, and your PC will boot with the CMOS basic defaults. In most cases,
this means you'll have no access to your Disk Drives until you supply the CMOS with the necessary
information. The BIOS them provides basic input/output services to the operating system and
applications. Except for devices that contain their own BIOS information, for example EGA and VGA
VideoInterface cards,some NetworkInterface
3 Discuss the working of Blu-Ray Disk with the helpof a diagram.
Answer: A Blu-ray Disc is a high density optical disc storage medium, which is used for the storage of all
high-definition digital formats like audio, video, and play-station games and so on. They have the same
physical appearance as a DVD. The name “BLU-RAY” is actually a combination of the colour “blue” and
“ray”. Here blue refers to the blue colour of the laser that is used for its reading and ray refers to the
optical ray.While trade markinga product,
4 Explainthe operationof the parallel port in detail.
Answer: A parallel port is an interface allowing a personal computer (PC) to transmit or receive data
down multiple bundled cables to a peripheral device such as a printer. The most common parallel port is
a printer port known as the Centronics port. A parallel port has multiple connectors andin theory allows
data to be sent simultaneously down several cables at once. Later versions allow bi-directional
communications. This technology is still used today for low-data-rate communications such as dot-
matrix printing.
The standard forthe bi-directionalversionof a
5 How doesthe key board function?How will you determine the Keyboard failure?
Answer: A keyboard's primary function is to act as an input device. Using a keyboard, a person can type
a document, use keystroke shortcuts, access menus, play games and perform a variety of other tasks.
Keyboards can have different keys depending on the manufacturer, the operating system they're
designed for, and whether they are attached to a desktop computer or part of a laptop. But for the most
part, these keys,alsocalledkeycaps,are the
6 Explainthe precautionary measuresto be taken to avoid basic problemsin videocards.

3. Answer: PCs, servers, switches, routers, broadband modems, KVM switches, and other computer
equipment are all subject to electrical damage. From improper site wiring to lightning strikes, a wide
varietyof electrical issuesthreaten systemsand
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