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q define the circular shifts circular shifts rotate right androtate left bits shifted out at one end of word are not lost as in a logical shift
q illustrate arithmetic shifts with examplearithmetic shifts arithmetic shift left and arithmetic shift right are same as logical shift left and
q what is shift operationshift shift operation is employed for transfer of bits either to left or to right it can be used to comprehend simple
q illustrate logical data processing instructionsand or not xor operate on binary data stored in registers for illustration if two registers
q explain arithmetic data processing instructionsthese instructions carry outlogical and arithmetic operations on dataarithmetic the four fundamental
q define logical data as operand data typeevery word or byte is treated like a single unit of data whenever an n-bit data unit is considered as
q how the characters used in operand data typea common form of data is character or text strings characters are signified in numeric form mostly in
q number used as operand data typenumbers all machine languages comprise numeric data types numeric data generally use one of the three
q address - operand data typesaddresses operands residing in memory are specified by their memory address while operands residing in registers are
some of the fundamental considerations for instruction set design includes selection of a set of data-types for example integers long integers
q how many instructions in a computer a computer can have a vast number of instructions and addressing modes older computers with the growth of
q how is an instruction representedinstruction is signified as a sequence of bits a layout of an instruction is called as instruction format
for this machine there can be two more possible addressing modes in addition to direct andimmediate opcode field of an instruction is a group
q define opcode and operandsthe most common fields which are found in instruction formats areopcode what operation to perform an operation code
q what are the elements of an instruction as the function of instruction is to communicate to cpu what to do it needs a minimum set of communication
q describe about instruction setinstruction set is the boundary where computer designer and computer programmer see the same computer from various
q what is switched mode power supplysmps is the unit into which electric supply from the mains is connected to your pc and this supplies dc to
q power supply in computer systemcomputer operate electronically- either by power supply attained from your electric plug or batteries in case of
dont scan at more resolution than needed this saves both disk and time space typically itisnt useful to scan at more than optical resolution
q describe the size and speed of scannersbefore actual scanning a quick low resolution scan known as pre-scan is made to preview the image and select
q show the dynamic range and colour depthdynamic range is the number of colours a colour scan or number of grays a monochrome scanner can distinguish
q what is interpolated resolutionevery scanner is accompanied by a software this software can raise the apparent resolution of scan by a scheme known
optical resolution or hardware resolution is mechanical limit on resolution of scanner for scanning the sensor has to advance after every line it
q application and factors related to scannerswhen you purchase a scanner there are various factors which can be looked at compatibility of scanner
q describe about modem languagemodems understand a set of instructions known as hayes command set or at command set these commands are used to