Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards? , Motherboard, Fatherboard, Daughterboard, Breadboard, Ethernet uses, ring topology, tree topology, star topology, bus topology, Covers a geographic area the size of a city or suburb , WAN, metropolitan area network MAN, wide area network, local area network LAN, Based on a ring topology, but can use a star topology, ethernet, token ring, interface, inner area, Covers a wide geographical area, such as a state or a country, Metropolitan Area Network, LAN, Wide Area Network, MAN, What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk?, Copying , Tracking, Sectioning, Formatting, RAM is also known as , Read-only-memory, Temporary memory, Programmable read-only memory, Random Access Memory, A new technology which provides the ability to create an artificial world and have people interact with it is called, alternative reality , 3-d reality, tele virtuality , mixed reality, virtual reality , Super computers are primarily useful for, Data-retrieval operations, 3-D reality, Input-output intensive processing, Mathematical-intensive scientific applications, Which of the following persons probably has the least amount of technical knowledge?, Computer professional, Programmer, system analyst, User, Which device is responsible for both modulation and demodulation?, gateway, protocols, multiplexer, modem, Conversion of an octal number 123 to binary number is, 101010, 1010100, 111100, 1010011, The decimal equivalent of the binary number 1011001 is, 88, 87, 78, 89, The decimal equivalent of the binary number 100100 is, 88, 36, 89, 77, What is the number of bit patterns provided by a 7-bit code?, 512, 64, 128, 256, The decimal equivalent of the binary number, 54, 67, 44, 53, Conversion of a binary number 1011111011 to, 6BC, 2FB, 7B, 8A, The decimal equivalent of the binary number 101011 is, 43, 56, 87, 89, The binary system uses powers of, 2, 6, 16, 8, Conversion of an octal number 74 to binary number is, 111110, 110100, 111100, 10110, Conversion of an octal number 20 to its binary, 11001, 10110, 10111, 10000, Conversion of a binary number 10101110 to octal equivalent , 534, 878, 256, 777, The octal equivalent of the number 10011,1101 is, 23,64, 34,87, 87,9, 87,00, The binary equivalent of the Octal number 13,54 is, 1001,1111, 100,100, 1010,001, 1011,1011, Conversion of hexadecimal number 1D7F to a decimal number is, 7551, 7777, 8771, 5557, conversion of a binary number 10110111100 to hexadecimal number is, 5BC, 8C, 6A, 9BC, Conversion of a binary number 11011000 to hexadecimal number is, 87, D8, 9A, 8C, The hexadecimal equivalent of the binary number 11110111101 is, 8DC, 9A, 7BD, 8C, Conversion of a hexadecimal number 1D to binary number is, 11011, 11101, 11110, 010110, Conversion of an octal number 16 to binary number is , 1100, 1010, 1101, 1110, Conversion of an octal number 73 to binary number is, 111011, 1110011, 101010, 111110, The decimal equivalent of the binary number 1010100 is , 77, 84, 78, 98, 1 Petabyte equal, gb1024 Tb, 1024 MB, 1024 Gb, 2410 Gb, a display screen, printer are:, input devices, main memory, output devices, processor, A set of programs that provide management of computer equipment, planning efficient use of its resources and the tasks for user tasks is .., BIOS, Operating system, Kernel, Virtual memory, Advantages of Multiuser Operating Systems, Central location for the installation and administration of all software and data, Time slice is defined by the OS, for sharing CPU time between processes., Provides a platform for only one user at a time., The OS was simple, its major task was to transfer control from one job to the next., Define computer type by the definition " a powerful multi-processor computer, the most advanced of which have a capacity of up to several petaflops", Desktop, Laptops, Super-computer, mainframe, Device is used to convert electric current from a source to the correct voltage, current, and frequency to power the load, Network Adapter, Cooler, Monitor, Power supply, Example of Multiuser Operating SystemsExample of Multiuser Operating Systems, Windows NT, Windows XP, MS DOS, Excel, Example of Timesharing Operating Systems, MS DOS, Unix, RT/11, OC EC.

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