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Question:
(a) Briefly explain how the functionality of the WWW has been enhanced, after its birth at CERN site. Use examples to illustrate your answer.
(b) Many modern computers are being sold without floppy disk drives. State two reasons why floppy disk drives are no longer considered necessary.
(c) Differentiate between sequential access and direct access when referring to a secondary storage device. Give one example of each.
(d) Briefly describe the four factors that affect the performance of a monitor.
(e) Computer security is often divided into three distinct master categories (controls): physical, technical and administrative. Explain what you understand by these different controls, giving examples to support your answer.
What is commitment unit? When out-of-order execution is permitted, a special control unit is required to guarantee in-order commitment. This is known as the commitment unit. It
Unencoded micro-instructions One bit is required for each control signal; so number of bits needed in a micro-instruction is high. It represents a detailed hardware vi
Define bootstrap loader? The ROM portion of main memory is required for storing an initial program known as bootstrap loader. It is a program whose function is to start the com
The scope of the experts system is very limited. It cannot work outside the field it is being used. The users knowledge is required to adjust to new situation. To reduce
Explain the significance IPV6 over IPV4. The maximum size of an Ipv6 datagram is 65575 bytes, with the 0 bytes Ipv6 header. Ipv6 also describe a minimum reassembly buffer size:
What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi
Q. What do you mean by Drive Cache? Disk cache may be a part of RAM sometimes known as soft disk cache which is used to speed up access time on a disk. In latest technologies s
Function of an IP Packet Screening Router: A screening router is the most basic type of firewall and uses only the packet filtering capability to control and monitor network tr
Define Programmed I/O. It is the result of input and output instructions written in the computer program. Every data item transfer is initiated by an instruction in the program
When an input signal A=11001 is applied to a NOT gate serially, its output signal is ? Ans. First input applied will be LSB 00110, as A=11001 is serially applied to a NOT gate
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