Description : In the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following? A) Stack B) ALU C) I/O D) Register
Last Answer : In the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following? A) Stack B) ALU C) I/O D) Register
Description : A stack pointer is a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b. a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d. a register in which flag bits are stored
Last Answer : a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. a. Arithmetic and Logic Unit b. Control Unit c. Both of above
Last Answer : a. Arithmetic and Logic Unit
Description : Which is the microprocessor comprises: a. Register section b. One or more ALU c. Control unit d. All of these
Last Answer : d. All of these
Description : C. P. U. consists of (1) Arithmetic and Logical unit and Register (2) Arithmetic and Logical unit, Register and Control unit (3) System unit and Memory (4) Hard disk and Control unit
Last Answer : Arithmetic and Logical unit, Register and Control unit
Description : ____is used to control the cache with two new control bits not present in the 80386 microprocessor. What are the bits used to control the 8K byte cache? a) CR0, CD, NW b) CR0, NW, PWT c) Control Register Zero, PWT, PCD d) none
Last Answer : d) none
Description : In 8086 microprocessor one of the following instructions is executed before an arithmetic operation a) AAM b) AAD c) DAS d) DAA
Last Answer : b) AAD
Description : The first machine to successfully perform a long series of arithmetic and logical operations was: a. ENIAC b. Mark-I c. Analytic Engine d. UNIVAC-1
Last Answer : b. Mark-I
Description : The first machine to successfully perform a long series of arithmetic and logical operations was; a. ENIAC b. Mark I c. Analytic engine d. UNIVAC-I
Last Answer : b. Mark I
Description : A stack is a. an 8-bit register in the microprocessor b. a 16-bit register in the microprocessor c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Last Answer : c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Description : In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set
Last Answer : (A) set, reset
Description : In Microprocessor one of the operands holds a special register called: a. Calculator b. Dedicated c. Accumulator d. None of these
Last Answer : c. Accumulator
Description : Explain Briefly The Flag Register In The 8085 Microprocessor.?
Last Answer : Answer :The flag register in 8085 is an 8-bit register which contains 5 bit positions. These five flags are of 1bit F/F and are known as zero, sign, carry, parity and auxiliary carry. ... addition and subtraction operations. The parity flag is used for results containing an even number of one's.
Description : The microprocessor can read/write 16 bit data from or to ________ A. memory B. I /O device C. processor D. register
Last Answer : The microprocessor can read/write 16 bit data from or to memory
Description : What is the size of SP register in 8085 microprocessor? A) 16 bits B) 8 bits C) 64 bits D) 48 bits
Last Answer : What is the size of SP register in 8085 microprocessor? A) 16 bits B) 8 bits C) 64 bits D) 48 bits
Description : The central processing unit (CPU) consists of a. Input, output and processing b. Control unit, primary storage, and secondary storage c. Control unit, arithmetic-logic unit and primary storage d. Control unit, processing, and primary storage
Last Answer : c. Control unit, arithmetic-logic unit and primary storage
Description : The brain of any computer system is a. Control Unit b. Arithmetic Logic Unit c. Central Processing Unit d. Storage Unit
Last Answer : c. Central Processing Unit
Description : Central Processing Unit is combination of a. Control and storage b. Control and output unit c. Arithmetic logic and input unit d. Arithmetic logic and control unit
Last Answer : d. Arithmetic logic and control unit
Description : The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called? a. monochip b. microprocessor c. ALU d. control unit
Last Answer : b. microprocessor
Description : What is the responsibility of the logical unit in the CPU of a computer? a. To produce result b. To compare numbers c. To control flow of information d. To do math’s works
Last Answer : b. To compare numbers
Description : A set of information that defines the status of resources allocated to a process is a. Process control b. ALU c. Register Unit d. Process description
Last Answer : d. Process description
Description : Which are the operation that a computer performs on data that put in register: a. Register transfer b. Arithmetic c. Logical d. Allof these
Last Answer : d. Allof these
Description : Which micro operations carry information from one register to another. a. Register transfer b. Arithmetic c. Logical d. — Allof these
Last Answer : a. Register transfer
Description : Which operation are implemented using a binary counter or combinational circuit: a Register transfer b. Arithmetic c. Logical d. __ Allof these
Last Answer : b. Arithmetic
Description : Which operation are binary type, and are performed on bits string that is placed in register: a. Logical micro operation b. Arithmetic micro operation c. Both d. None
Last Answer : a. Logical micro operation
Description : Which language specifies a digital system which uses specified notation: a. Register transfer b. Arithmetic c. Logical d. — Allof these
Description : Which operation refer bitwise manipulation of contents of register: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these
Description : _____ a subsystem that transfer data between computer components inside a computer or between computer: a. Chip b. Register c. Processor d. Bus
Last Answer : d. Bus
Description : Actual data processing operations are performed in the arithmetic logic section, but not in the …. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary
Last Answer : a. Primary
Description : ALU is a. Arithmetic Logic Unit b. Array Logic Unit c. Application Logic Unit d. None of above
Last Answer : a. Arithmetic Logic Unit
Description : The control unit of a microprocessor A) Stores data in the memory B) Accepts input data from keyboard C) Performs arithmetic/logic function D) None of above
Last Answer : Answer : D
Description : Which microprocessor has the control unit, memory unit and arithmetic and logic unit: a. Pentium IV processor b Pentium V processor c. Pentium III processor d. None of these
Last Answer : a. Pentium IV processor
Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. A) Arithmetic and Logic Unit B) Control Unit C) Both of above D) None of above
Last Answer : Answer : A
Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. a. Arithmetic and Logic Unit b. Control Unit c. Both of above d. None of above
Last Answer : Arithmetic and Logic Unit
Description : Which of the following are the two main components of the CPU? a. Control unit and registers b. Registers and main memory c. Control Unit and ALU d. ALU and bus
Last Answer : c. Control Unit and ALU
Description : The system unit of a personal computer typically contains all of the following except: a. Microprocessor b. Disk controller c. Serial interface d. Modem
Last Answer : d. Modem
Description : List the four instructions which control the interrupt structure of the 8085 microprocessor.
Last Answer : • DI ( Disable Interrupts ) • EI ( Enable Interrupts ) • RIM ( Read Interrupt Masks ) • SIM ( Set Interrupt Masks )
Description : How many bit microprocessor still survives in low-end application such as microwave ovens and small control system: a. 4 bit b. 16 bit c. 32 bit d. 64 bit
Last Answer : a. 4 bit
Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status
Last Answer : c. Bus arbitration
Description : A microprocessor retries instructions from : a. Control memory b. Cache memory c. Main memory d. Virtual memory
Last Answer : c. Main memory
Description : The purpose of the microprocessor is to control ______ A. memory B. switches C. processing D. tasks
Last Answer : The purpose of the microprocessor is to control memory
Description : Which is an integral part of any microcomputer system and its primary purpose is to hold program and data: a. Memory unit b. Register unit c. A and B d. None of these
Last Answer : a. Memory unit
Description : A structure that stores a number of bits taken "together as a unit" is a a. gate b. mux c. decoder d. register
Last Answer : d. register
Description : Which is the components of computer: a. System Bus b. CPU c. Memory Unit d. All of these
Description : Different components on the motherboard of a PC processor unit are linked together by sets or parallel electrical conducting lines. What are these lines called? a. Conductors b. Buses c. Connectors d. Connectively
Last Answer : b. Buses
Description : CPU does not perform the operation a. data transfer b. logic operation c. arithmetic operation d. all of above
Last Answer : b. logic operation
Description : Which was the computer conceived by Babbage? a. Analytical engine b. Arithmetic machine c. Donald Knuth d. All of above
Last Answer : a. Analytical engine
Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above
Last Answer : d. Either of the above
Description : Which was the computer conceived by Babbage? a. Analytical Engine b. Arithmetic Machine c. Donald Kunth d. All of above
Last Answer : a. Analytical Engine
Description : In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set
Last Answer : b) Signed numbers go out of their range after an arithmetic operation