List any four features of 8 bit ISA bus.

1 Answer

Answer :

1. Eight data lines

2. Eight interrupt request levels

3. 20 address lines

4. Enables to handle 1MB of memory.

Related questions

Description : Write any four feature of ISA and PCI Express.

Last Answer : ISA 1. Eight data lines. 2. Eight interrupt request levels. 3. 20 address lines. 4. Enables to handle 1MB of memory. 5. Supports 3-4 DMA (Direct Memory Access) channels. ... Address / Data lines multiplexed. 5. Multi target, multi master 6. The maximum transfer rate is 16Gbps.

Description : List any two features of PCI-Xpress. Give two differences between PCI-X & PCI-Xpress. 

Last Answer : Features: 1. High performance 2. I/O Simplification, It utilizes individual buses for each of the devices connected to it instead of a shared one like what PCI uses. 3. PCI-Xpress uses a serial interface ... of a single lane. It is backward compatible. It is not backward compatible

Description : List any six important features of DDR 3.

Last Answer : Features of DDR 3 DDR SDRAM or Double Data Rate three Synchronous Dynamic Random Access Memory is a random access memory technology used for high speed storage of the working data of a computer or ... increase (up to effective 1600 MHz) Enhanced low power feature Improve thermal design (cooler). 

Description : List important features of routers used in computer network.

Last Answer : Router: Router is a device that connects two or more networks. It consists of a combination of hardware and software. Types of Router 1) Static 2) Dynamic 1) A router is a ... by the router on the basis of traffic & cost. They use specialize protocols to exchange information.

Description : List two important features of peer to peer network.

Last Answer : 1. A peer-to-peer (P2P) network is a type of decentralized and distributed network architecture in which individual nodes in the network (called peers ) act as both suppliers and consumers of ... network, a group of computers is connected together so that user can share resources and information. 

Description : What is network topology? Explain star and bus topology with its advantages 

Last Answer : Topology of LANs  Networks can be laid out in different ways. The physical layout, or shape of network, or the way in which network connections are made is called a topology. It refers ... computer failure does not bring down the whole network It is more flexible among the remaining topology.

Description : Consider a 32 - bit microprocessor, with a 16 - bit external data bus, driven by an 8 MHz input clock. Assume that the microprocessor has a bus cycle whose minimum duration equals four input clock cycles. What ... (A) 8x106 bytes/sec (B) 4x106 bytes/sec (C) 16x106 bytes/sec (D) 4x109 bytes/sec 

Last Answer : (B) 4x106 bytes/sec

Description : List any four advantages of optical mouse.

Last Answer : Advantages of Optical mouse 1. No moving parts: thus less wear & tear 2. Lesser chance of failure due to dust: no interference with tracking sensors. 3. The cursor accuracy of an optical mouse is typically ... as the laser can read the surface it is on.: 5. Less maintenance, no cleaning needed. 

Description : FDDI isa A. ring network B. star network C. mesh network D. bus based network E. None of the above

Last Answer : ring network

Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, register ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register

Last Answer : c) 232 byte, five 8bit, register to register

Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register

Last Answer : d) 232 byte, six 8 bit, register to register

Description : The capacity of this chip is 1KB they are organized in the form of 1024 words with 8 bit word The what is the site of address bus: a. 8 bit b. 10 bit c. 12 bit d. 16 bit

Last Answer : b. 10 bit

Description : Why 8085 processor is called an 8 bit processor? a) Because 8085 processor has 8 bit ALU. b) Because 8085 processor has 8 bit data bus. c) a & b.

Last Answer : a) Because 8085 processor has 8 bit ALU.

Description : Define IP Addressing. List IP Address classes with their range.

Last Answer : IP address: It is a unique logical address specified in the TCP/IP used to identify the host in a computer network. It can be a 32 bit address (IPv4) or a 128 bit address (IPv6). The IPv4 address include ... 1110 Class E: Class E is reserved for future use and its starting bits are 1111 

Description : List any two problems of PC with its troubleshooting. 

Last Answer : 1. Problem: System is dead  Troubleshooting: a. Check for proper 230V ac supply using multimeter. b. Check if the power supply cable fits properly or not. Change if necessary. c. Check for ... . d. Check if the correct partition is set active for booting. If not select the correct partition 

Description : List fours characteristics of display and define them.

Last Answer : Characteristics of display: 1. Dot pitch: It is the distance between each group (t6riad) of red, blue and green phosphors. A smaller dot pitch helps produce sharper and clearer image 2. Resolution: ... time: Time taken by throughput of a pixel to fully react to a change in its brightness. 

Description : List classification of network on basis of geographical area. State the benefits of networks.

Last Answer : Computer Networks are classified based on the geographical area into * Local Area Network * Metropolitan Area Network * Wide Area Network * Campus Area Network (CAN) * Personal Area ... hence the cost of installation, maintenance reduces and also makes it easier to manage these applications.

Description : What is network topology? List their types with meaning. 

Last Answer : The topology of a network is the geometric representation of the relationship of all the links and linking devices (usually called nodes) to one another. List: 1. Mesh topology 2. Bus topology ... 6. Hybrid Topology: a combination of two or more different topologies makes for a hybrid topology.

Description : List any two important benefits of networks.

Last Answer : 1. Help to enhance connectivity 2. Networking help in sharing of hardware 3. Eases out management of data 4. Internet 5. Data sharing

Description : List any two basic types of RAM.

Last Answer : SRM (Static RAM): the content remain permanent as long as power is given to it. Once the information is written in any location is SRAM, it is preserved there. DRAM (dynamic RAM): it ... in small capacitor. The presence of charge on the capacitor represents a 1 and absence of charge represents 0

Description : What is network topology? List network standards. Explain token ring standard with the help of diagram.

Last Answer : Network topology: A network topology is the arrangement of a network, including its nodes and connecting lines. There are two ways of defining network geometry: the physical topology and the logical (or signal ... empty" frame, ready to be taken by a workstation when it has a message to send.

Description : List networking devices. State function of any two devices. 

Last Answer : Following are the various networking devices: * Hubs * Switches * Routers * Bridges * Repeaters * Gateways * Modems Hubs: A hub is a small, simple, inexpensive device that ... telephone lines (which uses analog signals) to computers (which uses digital signals) for data communication. 

Description : List two problems and their causes related to display.

Last Answer : 1. Monitor dead: * Monitor's fuse blown. * Monitor's power supply section faulty. * Fault in horizontal section 2. On Power-On system beeps but no display appears * Setup ... Corrupt display * Software corrupts display adapter memory. * Display adapter memory (RAM) faulty.

Description : State any four characteristics of LCD monitor.

Last Answer : Characteristics of LCD Monitor 1. Pixels: This refers to an individual dot on the screen. All graphics displayed on the screen are composed of hundreds or thousands of these graphic dots or pixels or pet. ... takes for a pixel to go from black to peak intensity white and then back to black again.

Description : Explain four functions of transport layer in OSI model.

Last Answer : The functions of Transport layer are: 1. The transport layer provides the functional and procedural means of transferring variable-length data sequences from a source to a destination host ... multiple network connections, dividing the data among the network connections to improve throughput. 

Description : Describe any four preventive maintenance for hard disk.

Last Answer : Preventive maintenance of Hard Disk * Take periodic backup of data and critical areas such as boot sectors, FAT and directory structure on the disk. * Defragment the disk to maintain the disk efficiency ... at least once a year. * Reinstall all the software to maintain disk efficiency and speed.

Description : State any four functions of BIOS

Last Answer : The BIOS (Basic Input Output System) provides the processor with the information required to boot the system from a non-volatile storage unit (HDD, FDD, CD or other). It provides the system ... lifetime. To check for updated BIOS, users can check the website of the specific hardware vendor.

Description : An add/drop multiplexer isa ______device. A) one-layer B) two-layer C) three-layer D) four-layer

Last Answer : three-layer

Description : If a student drops a stone from a cliff of height 30 m and the time it takes to reach the ground is 2.6 s, then the acceleration due to gravity isA. 9 m s-2 B. 10 m s-2 C. 4 m s-2 D. 8.8 m s-2

Last Answer : 8.8 m s-2

Description : Rotor shaft of a large electric motor supported between short bearings at both ends shows a deflection of 1.8 mm in middle of motor. Assuming rotor to be perfectly balanced and supported at knife edges at both ends, likely critical speed (rpm) of shaft isA 350 B 4430 C 705 D 2810

Last Answer : C 705

Description : The system is notified of a read or write operation by ___________ a) Appending an extra bit of the address b) Enabling the read or write bits of the devices c) Raising an appropriate interrupt signal d) Sending a special signal along the BUS

Last Answer : Sending a special signal along the BUS

Description : A 32-bit address bus allows access to a memory of capacity(a) 64 Mb (b) 16 Mb (c) 1Gb (d) 4 Gb 2.Which processor structure is pipelined? a) all x80 processors b) all x85 processors c) all x86 processors

Last Answer : c) all x86 processors

Description : In linear decoding address bus of 16-bit wide can connect only ____ of RAM. a. 16 KB b. 6KB c. 12KB d. 64KB

Last Answer : b. 6KB

Description : A 16 bit address bus can generate___ addresses: a. 32767 b. 25652 c. 65536 d. none of these

Last Answer : c. 65536

Description : In 8096, CCB bit 3 is ____. a) write strobe mode select b) address valid strobe select c) bus width select d) Internal read control mode

Last Answer : c) bus width select

Description : In 8096, CCB bit 3 is ____. a) write strobe mode select b) address valid strobe select c) bus width select d) Internal read control mode

Last Answer : b) address valid strobe select

Description : What is USB ? (1) Ultimate Service Bit (2) Universal Sent-Bit (3) Universal Serial Bus (4) Urgent Sent Bit

Last Answer : Universal Serial Bus

Description : In 8086 microprocessor , the address bus is ________ bit wide A. 12 bit B. 10 bit C. 16 bit D. 20 bit

Last Answer : In 8086 microprocessor, the address bus is 20 bit

Description : Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB

Last Answer : Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB

Description : A 20-bit address bus allows access to a memory of capacity  (1) 1 Mb (2) 2 Mb (3) 32 Mb (4) 64 Mb 

Last Answer : 1MB

Description : List any four features of open source operating system.

Last Answer : 1. Open Source: open source OS code is freely available and it is community based development project. Multiple team's works in collaboration to enhance the capability of operating system and it is ... issuing a command in Linux Terminal or Shell. Linux can also run Windows applications if needed.

Description : List out features of any four addressing modes of 8051.

Last Answer : 1.Immediate addressing mode: In this Immediate Addressing Mode, the data is provided in the instruction itself. The data is provided immediately after the opcode. These are some examples of Immediate Addressing Mode. MOVA ... us see some examples of this mode. MOV 0E5H, @R0 MOV @R1, 80H

Description : List any four salient features of 8085 microprocessor

Last Answer : Features of 8085:  1. 16 address line so 216=64 Kbytes of memory can be addressed.  2. Operating clock frequency is 3MHz and minimum clock frequency is 500 KHz.  3. On chip bus controller ... duty cycle TTL clock  10. Provide 2 serial I/O lines, so peripheral can be interfaced with 8085 μp

Description : List special features  of isolation transformer with any four applications.

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : List out any four salient features of hydro generator.

Last Answer : Following are the salient features of a Hydro Generator (alternator):  It is 3-ph hydro generator (alternator). It is robust in construction. A separate excitation is given to ... & under frequency protection, 5. Over temperature protection are main protections provided to generator.

Description : List four special features of traction transformer.

Last Answer : Ans: 1. Specially designed to withstand severe operating conditions.  2. Have high short time peak capacity.  3. Class A insulation specially reinforced to withstand stresses of frequent short circuits.  4. Can take ... SC , impedance not less than 8.5 % for 10 MVA and 10 % for 12.5 MVA. 

Description : Name the different TCP/IP Protocols. Explain the working of FTP.

Last Answer : TCP/IP Protocols: 1. DNS (Domain Naming System) 2. HTTP(Hypertext Transfer Protocol) 3. Telnet 4. FTP (File Transfer Protocol), 5. TFTP (Trivial File Transfer Protocol), 6. SNMP (Simple ... TCP ports: port 21 is used for the control connection and port 20 is used for the data connection.

Description : Write preventive maintenance procedure of (i) Keyboard (ii) Hard disk

Last Answer : Preventive maintenance procedure of Keyboard: * Handle the keyboard gently and carefully. * Press the keys gently without applying force and do not rest hands on the keyboards. * Do not spill ... HDD at least once a year and reinstall all the software to maintain disk efficiency and speed.

Description : Describe the different modes of fibre optic cable with neat diagram. Compare fibre optic cable with UTP cable.

Last Answer : STEP-INDEX MULTIMODE FIBER has a large core, up to 100 microns in diameter. As a result, some of the light rays that make up the digital pulse may travel a direct route, whereas others ... optic cables. Fiber is more expensive than copper due to the light emitting equipment and cost.

Description : Describe the need and importance of subnet masking. Give an example of subnet mask.

Last Answer : Subnet mask is a 32 bits long address used to distinguish between network address and host address in IP address. Subnet mask is always used with IP address. Subnet mask has ... In binary notation  IP address 11000000.10101000.00000001.00001010  Subnet mask 11111111.11111111.11111111.00000000