22. The SF is called as (a) service flag 23. The BP is indicated by (c)...
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22. The SF is called as (a) service flag 23. The BP is indicated by (c) single flag (a) base pointer (b) binary pointer (c) bit pointer 24. The RD, WR, M/10 is the heart of control for a (a) minimum 25 A (b) sign flag (a) forward 26. Which bus is bidirectional? (b) maximum (c) compatibility mode (d) control mode Instruction at the end of interrupt service program takes the execution back to the interrupted program (b) return (c) data (d) line (c) Data bus (d) None of the above (c) Memory location (d) Assembler (a) 1,048,576 locations (b) 2,097,152 locations (c) 4,194,304 locations 29 Direction flag is used with which of the following instructions? (a) Data transfer (b) Branch control instructions 30. Which of the following is not an arithmetic instruction? (a) Address bus 27. Which is not an operand? (b) Control bus (a) Variable (b) Register 28. A 20-bit address bus can locate (a) INC (b) CMP (c) DEC (d) ROL 31. Which group of instructions do not affect the flags? (a) Arithmetic operations (b) Delay (c) Memory location 34. A procedure can be called using the instruction (a) JMP (b) CALL (c) RET (d) condition flag (d) digital pointer mode 35 To return a procedure, we use the instruction (a) JMP (b) CALL (c) RET 36. The data bus of microprocessor is (a) unidirectional (b) bi-directional (b) Logic operations (c) Data transfer operations (d) Branch operations 32. The instructions that are used to call a subroutine from the main program and return to the main program after execution of called function are (a) CALL, JMP (b) JMP, IRET (c) CALL, RET (d) JMP, RET 33.NOP instruction introduces (a) Address (c) String instructions (d) None of the mentioned (d) INT (d) INT (c) unidirectional as well as bi-directional (d) none of these (b) the program must be stored in memory before the system can be used 37. For using a microprocessor-based system, (a) a program is required (c) the program need to be stored in memory 38. Call instruction is used in (a) data transfer instructions (b) branch control (c) logical instructions 39 The assembler is (d) 8,388,608 locations (d) Logical instructions (d) the program is stored in the internal resistors of the microprocessor. (d) 1/0 and stack pointer instruction (a) a program that translates mnemonics into binary code (b) a program that translates mnemonics into octal code (c) an operating system which manages all the programs in the system (d) a compiler that translates statements from assembly language program into machine language 40. A microprocessor performs as (a) CPU of a computer (b) memory of a computer (c) output device of a computer 41. The number of address lines are required to access 2M byte of data from microprocessor (c) 20-bit address lines (a) 16-bit address lines (b) 8-bit address lines 42. The instruction pointer in a microprocessor (a) keeps the address of the next instruction to be fetched (c) counts the number of programs being executed on the microprocessor (d) None of these (b) counts the number of instructions being executed on the microprocesse (d) counts the number of interrupts handled by the microprocessor 43. When a subroutine is called by the CALL instruction, the microprocessor stores the address of the instruction next to CALL on the (c) program counter (a) stack pointer (b) accumulator (d) stack 44. The address bus of microprocessor is ------ a) unidirectional (b) bi-directional (c) unidirectional as well as bi-directional 45. A 16 bit microprocessor has a------ a) 16-bit data bus (b) 16-bit address bus (c) 16-bit control bus (d) input device of a computer (d) none of these (d) 16 interrupt lines 22. The SF is called as (a) service flag 23. The BP is indicated by (c) single flag (a) base pointer (b) binary pointer (c) bit pointer 24. The RD, WR, M/10 is the heart of control for a (a) minimum 25 A (b) sign flag (a) forward 26. Which bus is bidirectional? (b) maximum (c) compatibility mode (d) control mode Instruction at the end of interrupt service program takes the execution back to the interrupted program (b) return (c) data (d) line (c) Data bus (d) None of the above (c) Memory location (d) Assembler (a) 1,048,576 locations (b) 2,097,152 locations (c) 4,194,304 locations 29 Direction flag is used with which of the following instructions? (a) Data transfer (b) Branch control instructions 30. Which of the following is not an arithmetic instruction? (a) Address bus 27. Which is not an operand? (b) Control bus (a) Variable (b) Register 28. A 20-bit address bus can locate (a) INC (b) CMP (c) DEC (d) ROL 31. Which group of instructions do not affect the flags? (a) Arithmetic operations (b) Delay (c) Memory location 34. A procedure can be called using the instruction (a) JMP (b) CALL (c) RET (d) condition flag (d) digital pointer mode 35 To return a procedure, we use the instruction (a) JMP (b) CALL (c) RET 36. The data bus of microprocessor is (a) unidirectional (b) bi-directional (b) Logic operations (c) Data transfer operations (d) Branch operations 32. The instructions that are used to call a subroutine from the main program and return to the main program after execution of called function are (a) CALL, JMP (b) JMP, IRET (c) CALL, RET (d) JMP, RET 33.NOP instruction introduces (a) Address (c) String instructions (d) None of the mentioned (d) INT (d) INT (c) unidirectional as well as bi-directional (d) none of these (b) the program must be stored in memory before the system can be used 37. For using a microprocessor-based system, (a) a program is required (c) the program need to be stored in memory 38. Call instruction is used in (a) data transfer instructions (b) branch control (c) logical instructions 39 The assembler is (d) 8,388,608 locations (d) Logical instructions (d) the program is stored in the internal resistors of the microprocessor. (d) 1/0 and stack pointer instruction (a) a program that translates mnemonics into binary code (b) a program that translates mnemonics into octal code (c) an operating system which manages all the programs in the system (d) a compiler that translates statements from assembly language program into machine language 40. A microprocessor performs as (a) CPU of a computer (b) memory of a computer (c) output device of a computer 41. The number of address lines are required to access 2M byte of data from microprocessor (c) 20-bit address lines (a) 16-bit address lines (b) 8-bit address lines 42. The instruction pointer in a microprocessor (a) keeps the address of the next instruction to be fetched (c) counts the number of programs being executed on the microprocessor (d) None of these (b) counts the number of instructions being executed on the microprocesse (d) counts the number of interrupts handled by the microprocessor 43. When a subroutine is called by the CALL instruction, the microprocessor stores the address of the instruction next to CALL on the (c) program counter (a) stack pointer (b) accumulator (d) stack 44. The address bus of microprocessor is ------ a) unidirectional (b) bi-directional (c) unidirectional as well as bi-directional 45. A 16 bit microprocessor has a------ a) 16-bit data bus (b) 16-bit address bus (c) 16-bit control bus (d) input device of a computer (d) none of these (d) 16 interrupt lines
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The detailed answer for the above question is provided below 22a 23d 24b 25c 26c 27d 28d 29b 30d 31d 32c 33b 34b 35c 36b 37b 38b 39a 40a 41b 42a 43d 44b 45b 22 The SF is called as Service Flag It is a ... View the full answer
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Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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