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HARDWARE INTERVIEW QUESTIONS AND ANSWERS PDF

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COMPUTER HARDWARE Questions and Answers pdf free download,objective troubleshooting questions,multiple choice questions,lab viva. Computer Hardware Interview Questions and Answers with explanation for interview, competitive examination and entrance test. Fully solved examples with . + Computer Hardware Interview Questions and Answers, Question1: What is a computer? Question2: What are the different functions of a computer?.

Minicomputer is a midsized multiprocessing and multi user computer. It is also called mid-range server. But mainframes are huge computers, most commonly occupying entire rooms or floor. It is highly costly. The fastest type of computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations.

These are useful numbers for comparison. Pentium The top Pentium processor is the Pentium 4 Prescott. The lowest performing Pentium 4 processor, the Willamette, has an L2 cache of kb, a potential 2. Hyper-threading is a technology developed to help make better use of spare processing cycles. Hyper-threaded processors have a duplicate set of registers, small spaces of high-speed memory storage used to hold the data that is currently needed to execute a thread.

When a CPU core is delayed, waiting for data to be retrieved from another place in memory, it can use these duplicate registers to spend the spare computation cycles executing a different thread. The second set of registers will be pre-loaded with the data needed to execute the second thread, so the CPU core can begin work immediately.

While small and light on energy use, Atom processors can handle the most common tasks, such as email and instant messaging. Which is the processor suitable from Intel family of processors for Server and Workstation? Intel Xeon. Socket is developed by AMD.

It supports a maximum of how many bits of computing? What are the the different processors of AMD is suitable for this socket? Which type of socket is needed to connect a dual core processor of Intel? Socket LGA What is Heat Sink?

What is its use? If it is not in the system what will happen?

Computer Hardware Interview Questions & Answers

A heat sink is a component used to lower the temperature of a device. It is most commonly there on the microprocessor. If it is not properly fixed the system, the system will shutdown automatically to prevent further damage to the processor. A CPU fan should be placed in system. To make the system cool and more functioning. Upgrading a microprocessor is just physically replacing a processor with a new one.

We also have to make sure that the motherboard has the internal logic to support the processor. What is the use of Conventional memory in the system? The size of conventional memory is KB. It is also called DOS memory or Base memory. The main memory in a computer is called Random Access Memory. It is also known as RAM. This is the part of the computer that stores operating system software, software applications and other information for the central processing unit CPU.

What is Cache memory? What is the advantage if a processor with more cache memory you are using? Cache memory is the memory area between RAM and Processor. If cache memory increases the speed of the system will also improved. What are the different types of RAM? SRAM is used in devices that require the fastest possible data access without requiring a high capacity.

Some examples are CPU caches and buses, hard drive and router buffers and printers. Capacitors constantly leak electricity, which requires the memory controller to refresh the DRAM several times a second to maintain the data. What are the different DRAM types? DDR 2 incorporates several technological upgrades to computer system memory, as well as an enhanced data rate. It operates at a lower voltage than DDR-I as well: Video adapter or video system uses VRAM.

VRAM is dual ported. It is costly. It is a less expensive approach to graphics functions. Most commonly all low cost graphics cards are using it.

It is a smaller version of a dual in-line memory module DIMM. It is the type of the memory module can be used in laptop. Which is the memory packaging suitable for a sub-note book system? Micro DIMM.

EPP is for non-printer peripherals. ECP is for printers and scanners. What is over clocking? Over clocking is the process of forcing a computer component to run at a higher clock rate. What is memory bank? Sets of physical memory modules is referred to as memory banks.

A memory bank serves as a repository for data, allowing data to be easily entered and retrieved. What is Upgrading the memory? Adding a memory module to the existing bank on the available slot or replacing the previous one with the increased memory size is also called upgrading memory. This will surely increase the performance of the computer. What is BIOS beep code? What it does mean? BIOS beep codes are the signs of different issues of the computer. The beep code may vary depends on the manufacture of BIOS.

For example in case of Award BIOS the beep code will be, 1 long beep- shows memory problem 1 long beep and 2 short beeps- failure of DRAM parity 1 log beep and 3 short beeps- signifies Video error Continuous beep- signifies failure in memory or Video memory. What are Solid State Drive means?

A solid-state drive SSD , sometimes called a solid-state disk or electronic disk, is a data storage device that uses solid-state memory to store data. SSDs use microchips which retain data in non-volatile memory chips and contain no moving parts.

Compared to electromechanical HDDs, SSDs are typically less susceptible to physical shock, are silent, have lower access time and latency, but are more expensive per gigabyte GB. What is SIMM? Is it is using now? Acronym for Single In line Memory Module, a small circuit board that can hold a group of memory chips. RAM chips.

On PCs, the ninth chip is often used for parity error checking. Unlike memory chips, SIMMs are measured in bytes rather than bits. Now a days this memory module is not used. Why do we call motherboard a motherboard? Motherboard is the basic integrated board of the computer on which all other components are connected. What is motherboard? What are the different types of it? This is classified mainly into three Desktop, Laptop and Server motherboard.

What is the difference between integrated and non-integrated motherboard? In integrated motherboard all of the external ports will be present.

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But in case of non-integrated motherboard only some important ports will be available instead of all. How a server motherboard different from a desktop? A server motherboard is different from a desktop in features and performance. The number of processor support, RAM slots ,Expansion card slots etc…are more. It provides excellent data protection, and advanced data management. What is form factor of motherboard? The form factor of a motherboard determines the specifications for its general shape and size.

It also specifies what type of case and power supply will be supported, the placement of mounting holes, and the physical layout and organization of the board. Form factor is especially important if you build your own computer systems and need to ensure that you purchase the correct case and components. What is ATX? How it is different from AT? Which is using now? It includes an Intel microprocessor, a 1.

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The ATX form factor specified changes to the motherboard, along with the case and power supply. The ATX form factor was an overall better design for upgrading.

What is the need of expansion slot in motherboard? Alternatively referred to as an expansion port, an expansion slot is a slot located inside a computer on the motherboard or riser board that allows additional boards to be connected to it. What is PCI slot? What is AGP slot? What is jumper? What is the need? A metal bridge that closes an electrical circuit.

Typically, a jumper consists of a plastic plug that fits over a pair of protruding pins. Jumpers are sometimes used to configure expansion boards.

Short for complementary metal oxide semiconductor. Pronounced see-moss. The CMOS chip holds the date, time, and system setup parameters. What is chipset? A number of integrated circuits designed to perform one or more related functions.

There have been a number of Pentium processor lines starting with the base Pentium in The lowest bus speed on a Pentium IV is MHz, and there are versions with much higher speeds topping at MHz for the "extreme edition". Pentium 4 processors, on the other hand, start at KB. What Is Hyper Threading? A thread of execution, or simply a "thread," is one series of instructions sent to the CPU.

Hyper-threading is a technology developed to help make better use of spare processing cycles. Hyper-threaded processors have a duplicate set of registers, small spaces of high-speed memory storage used to hold the data that is currently needed to execute a thread.

When a CPU core is delayed, waiting for data to be retrieved from another place in memory, it can use these duplicate registers to spend the spare computation cycles executing a different thread.

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The second set of registers will be pre-loaded with the data needed to execute the second thread, so the CPU core can begin work immediately. What Is Intel Atom Processor? The Intel Atom family of processors are extremely small central processing units CPU found mostly in ultraportable devices, such as netbooks, cell phones and tablet PCs, according to Intel. While small and light on energy use, Atom processors can handle the most common tasks, such as email and instant messaging.

What Is Nehalem Architecture?

Nehalem is Intel's new microprocessor architecture The Core i7 chips were the first processors ever produced using an architecture called Nehalem. Intel Xeon. Socket Is Developed By Amd.

What Is Heat Sink? What Is Its Use? A heat sink is a component used to lower the temperature of a device. It is most commonly there on the microprocessor. If it is not properly fixed the system, the system will shutdown automatically to prevent further damage to the processor. To make the system cool and more functioning. No Display. What Is The Problem? The size of conventional memory is KB. It is also called DOS memory or Base memory. The main memory in a computer is called Random Access Memory.

It is also known as RAM. This is the part of the computer that stores operating system software, software applications and other information for the central processing unit CPU to have fast and direct access when needed to perform tasks. What Is Cache Memory? Cache memory is the memory area between RAM and Processor. If cache memory increases the speed of the system will also improved.

Differentiate Sram And Dram? SRAM is used in devices that require the fastest possible data access without requiring a high capacity. Some examples are CPU caches and buses, hard drive and router buffers and printers. Dynamic RAM stores data using a paired transistor and capacitor for each bit of data. Capacitors constantly leak electricity, which requires the memory controller to refresh the DRAM several times a second to maintain the data.

DDR 2 incorporates several technological upgrades to computer system memory, as well as an enhanced data rate. It operates at a lower voltage than DDR-I as well: Parallel Computer Architecture Tutorial. Computer Hardware Practice Tests. IT Skills. Management Skills. Communication Skills. Business Skills. Digital Marketing Skills. Human Resources Skills. Health Care Skills. Finance Skills. All Courses. All Practice Tests. What Is Lga? Celeron According to Build Gaming Computers, Celeron processors are the low-end processor intended for standard home computer use.

SciNet reports the best Celeron processor has an L2 Cache of kb, a clock speed limit of about 2. These are useful numbers for comparison. Pentium The top Pentium processor is the Pentium 4 Prescott. The lowest performing Pentium 4 processor, the Willamette, has an L2 cache of kb, a potential 2. The second set of registers will be pre-loaded with the data needed to execute the second thread, so the CPU core can begin work immediately Question Intel Xeon Question Advanced Micro Devices.

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