Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Describe Program Control Instructions?
These instructions specify conditions for altering the sequence of program execution or we can say in other words that the content of PC (program counter) register. PC points to memory location which holds the subsequent instruction to be executed. The alteration in value of PC as a result of execution of control instruction such as BRANCH or JUMP causes a break in sequential execution of instructions. The most common control instructions are as following:
JUMP and BRANCH may be unconditional or conditional. JUMP is an unconditional branch used to implement simple loops. JNE jump not equal is conditional branch instruction. The conditional branch instructions like BRP X and BRN X causes a branch to memory location X if the result of most recent operation is positive or negative correspondingly. If the condition is true PC is loaded with branch address X and next instruction is taken from X otherwise PC is not changed and the subsequent instruction is taken from location pointed by PC. Figure below displays an unconditional branch instruction and a conditional branch instruction if content of AC is zero.
MBR←0; Assign 0 to MBR register
X←2001; Assume X to be an address location 2001
READ X; Read a value from memory location 2001 into AC
BRZ 1007; Branch to location 1007 if AC is zero (Conditional branch on zero)
ADD MBR; add the content of MBR to AC and store result to AC
TRAS MBR; Transfer the contents of AC to MBR
INC X; Increment X to point to next location
JUMP 1001;Loop back for further processing.
Determine Symbolic names can be associated with Symbolic names can be associated with the data or instruction
What does the c$ command do from command mode using Vi Editor? Ans) C$ will start from the character under the curser till the finish of line. So when you use this command it wi
Telephone companies normally provide a voltage of to power telephones? Telephone companies usually give a voltage of to power telephones -48 volts DC.
Explain importance of modems used in data transfer and list some of the V-series recommendations. The series also describes a variety of DCEs using different type modulatio
Explain Common Control. Common Control: Those systems wherein the control subsystem is outside the switching network are termed as common control switching system. Therefore,
Q. Example to show a single digit ? Displaying a single digit (0 to 9) Presume that a value 5 is stored in BL register then to output BL as ASCII value add character ‘0' to
Explain the multiple bus organization structure with neat diagram. The multiple bus organization is using more buses instead of one bus to decrease the number of steps needed an
Overclocking is the process of making a computer or component operate faster than the clock frequency particular by the manufacturer by modifying system parameters. One of the most
How future climate/environment changes can be predicted - Information over time is fed into a weather/climate model - based on changes in weather patterns, carries out a s
Explain with neat diagram the internal organization of bit cells in a memory chip. Memory cells are usually organized in the form of an array, in which every cell is capable of
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd