Description : In 8086 microprocessor one of the following statements is not true.a)Coprocessor is interfaced in MAX mode b)Coprocessor is interfaced in MIN mode c)I/O can be interfaced in MAX / MIN moded)Supports pipelining
Last Answer : b)Coprocessor is interfaced in MIN mode
Description : In 8086 microprocessor one of the following statements is not true. a) Coprocessor is interfaced in MAX mode b) Coprocessor is interfaced in MIN mode c) I/O can be interfaced in MAX / MIN mode
Last Answer : b) Coprocessor is interfaced in MIN mode
Description : 8086 is interfaced to two 8259s (Programmable interrupt controllers). If 8259s are in master slave configuration the number of interrupts available to the 8086 microprocessor is a) 8 b) 16 c) 15 d) 64
Last Answer : a) 8
Description : 8086 microprocessor is interfaced to 8253 a programmable interval timer. The maximum number by which the clock frequency on one of the timers is divided by a) 216 b) 28 c) 210 d) 220
Last Answer : d) 220
Description : A computer which has the microprocessor as______ is called as a microcomputer: a. CPU b. ALU c. RU
Last Answer : a. CPU
Description : A complete microcomputer system consists of a. microprocessor b. memory c. peripheral equipment d. all of above
Last Answer : d. all of above
Description : One of the main feature that distinguish microprocessors from micro-computers is a. Words are usually larger in microprocessors b. Words are shorter in microprocessors c. Microprocessor does not contain I/O devices d. Exactly the same as the machine cycle time
Last Answer : c. Microprocessor does not contain I/O devices
Description : The organization of I/O devices create a difference between _____: a. Digital computer b. Micro computer c. A and B d. None of these
Last Answer : c. A and B
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 : The first firm to mass-market a microcomputer as a personal computer was a. IBM b. Super UNIVAC c. Radio Shaks d. Data General Corporation
Last Answer : c. Radio Shaks
Description : Number crunch8ier is the informal name for a. Mini computer b. Super computer c. Microcomputer d. Mainframe computer
Last Answer : b. Super computer
Description : A small or intelligent device is so called because it contains within it a a. Computer b. Microcomputer c. Programmable d. Sensor
Last Answer : d. Sensor
Description : The first firm to mass- market a microcomputer as a personal computer was a. IBM b. Sperry Univac c. Data General corporation d. Radio Shack
Last Answer : c. Data General corporation
Description : The communication between the components in a microcomputer takes place via the address and ______ A. I/O bus B. Data bus C. Address bus D. None of the Above
Last Answer : B. Data bus
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 : The microcomputer system by using the ____device interface: a. Input b. Output c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : How many ways of transferring data between the microprocessor and a physical I/O device: a. 2 b. 3 c. 4 d. 5
Last Answer : b. 3
Description : How bit microprocessor inexpensive a separate interface is provided with I/O device: a. 2 bit b. 4 bit c. 8 bit d. 32 bit
Last Answer : c. 8 bit
Description : BHE of 8086 microprocessor signal is used to interface the a) Even bank memory b) Odd bank memory c) I/O d) DMA
Last Answer : b) Odd bank memory
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 Microcontroller and Microcomputer
Last Answer : Microcontroller is a device that includes microprocessor; memory and I/O signal lines on a single chip, fabricated using VLSI technology. Microcomputer is a computer that is designed using microprocessor as its CPU. It includes microprocessor, memory and I/O.
Description : What is a microcomputer?
Last Answer : A computer that is designed using a microprocessor as its CPU is called microcomputer.
Description : The storage subsystem in a microcomputer consists mainly of … or … media with varying capacities a. Memory or video b. Magnetic or optical c. Optical or memory d. Video or magnetic
Last Answer : b. Magnetic or optical
Description : When was Apple Macintosh II microcomputer introduced in the market? a. 1964 b. 1970 c. 1983 d. 1986
Last Answer : c. 1983
Description : Which is the type of microcomputer memory: a. Processor memory b. Primary memory c. Secondary memory d. All of these
Last Answer : d. All of these
Description : .In an 8085 based system, the maximum number of input output devices can be connectedusing I/0 mapped I/O method isa) 64 b) 512 c) 256 d) 65536
Last Answer : b) 512
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 : Digital devices are a. Digital Clock b. Automobile speed meter c. Clock with a dial and two hands d. All of them
Last Answer : a. Digital Clock
Description : Interface electronic circuit is used to interconnect I/O devices to a computer’s CPU or a. ALU b. Memory c. Buffer d. Register
Last Answer : b. Memory
Description : Which corporation decided to use 8088 microprocessor in personal computer: a. IBM b. CRT c. PMN d. SPS
Last Answer : a. IBM
Description : Microprocessor is the _____ of computer: a. Hand b. Heart c. Brain d. Leg
Last Answer : c. Brain
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 : The two major types of computer chips are a. External memory chip b. Primary memory chip c. Microprocessor chip d. Both b and c
Last Answer : d. Both b and c
Description : Microprocessor is the ______ of the computer and it perform all the computational tasks A. main B. heart C. important D. simple
Last Answer : Microprocessor is the heart of the computer and it performs all the computational tasks
Description : A microprocessor is a _______ chip integrating all the functions of a CPU of a computer. A. multiple B. single C. double D. triple
Last Answer : A microprocessor is a single chip integrating all the functions of a CPU of a computer.
Description : A 32 bit microprocessor has the word length equal to a. 2 byte b. 32 byte c. 4 byte d. 8 byte
Last Answer : c. 4 byte
Description : In a 16-bit microprocessor, a single word is A) 16 bit data B) 32 bit data C) 8 bit data D) 64 bit data
Last Answer : In a 16-bit microprocessor, a single word is 16 bit data
Description : Can you tell what passes into and out from the computer via its ports? a. Data b. Bytes c. Graphics d. Pictures
Last Answer : a. Data
Description : List few applications of microprocessor-based system.
Last Answer : It is used: i. For measurements, display and control of current, voltage, temperature, pressure, etc. ii. For traffic control and industrial tool control. iii. For speed control of machines.
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 : Why 8087 is referred to as Coprocessor? i) Because 8087 is used in parallel with main processor in a system, rather than serving as a main processor itself. ii) Because 8087 is used in serial with main processor in a ... math computations. a) i & iii b) ii & iii c) iii only. d) i only.
Last Answer : c) iii only.
Description : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs
Last Answer : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs
Description : What is microprocessor and microcomputer ?
Last Answer : A circuit made of objects that can partially conduct electricity is called an IC ( IC = Integrated Circuit) . A circuit made of IC is called a chip. 1 / The processor formed on the ... circuits is called microprocessor. 2 / The computer that is made based on microprocessor is called microcomputer.
Description : Which was the world’s first microcomputer that used Intel 80386 microprocessor chip? A) IBM PS/2 B) HP-9830 C) DeskPro-386 D) IBM-360
Last Answer : Answer : C
Description : A physical connection between the microprocessor memory and other parts of the microcomputer is known as A) Path B) Address bus C) Route D) All of the above
Last Answer : Answer : B
Description : How does the microprocessor differentiate between data and instruction
Last Answer : When the first m/c code of an instruction is fetched and decoded in the instruction register, the microprocessor recognizes the number of bytes required to fetch the entire ... will be considered as data & the byte after the data will be treated as the next instruction.
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 operations are there in the instruction set of 8085 microprocessor?
Last Answer : There are 74 operations in the 8085 microprocessor.
Description : List the 16 – bit registers of 8085 microprocessor.
Last Answer : Stack pointer (SP) and Program counter (PC).
Description : What is Microprocessor? Give the power supply & clock frequency of 8085
Last Answer : A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a storage device called memory accepts binary data as input and processes data according ... provides result as output. The power supply of 8085 is +5V and clock frequency in 3MHz.