Description : What is the function of IO/M signal in the 8085?
Last Answer : It is a status signal. It is used to differentiate between memory locations and I/O operations. When this signal is low (IO/M = 0) it denotes the memory related operations. When this signal is high (IO/M = 1) it denotes an I/O operation.
Description : The external device is connected to a pin called the ______ pin on the processor chip. a. Interrupt b. Transfer c. Both d. None of these
Last Answer : a. Interrupt
Description : The processor 80386/80486 and the Pentium processor uses _____ bits address bus: a. 16 b. 32 c. 36 d. 64
Last Answer : b. 32
Description : The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these
Last Answer : a. Stack pointer register
Description : When memory write or I/O read are active data is from the processor: a. Input b. Output c. Processor d. None of these
Last Answer : b. Output
Description : When memory read or I/O read are active data is to the processor : a. Input b. Output c. Processor d. None of these
Last Answer : a. Input
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 : 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 : 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 : Which pin of port 3 is has an alternative function as write control signal for external data memory? a) P3.8 b) P3.3 c) P3.6 d) P3.1
Last Answer : d) P3.1
Last Answer : c) P3.6
Description : How many synchronous and asynchronous modes are there in serial port of 8096? M. Krishna Kumar/IISc. Bangalore M5/V1/June 04/1 Microprocessors and Microcontrollers/ Multiple Choice Questions Architecture of Micro ... 2, 2 respectively b) 3,1 respectively c) 1, 3 respectively d) 1, 2 respectively
Last Answer : c) 1, 3 respectively
Description : Processors of all computers, whether micro, mini or mainframe must have a. ALU b. Primary Storage c. Control unit d. All of above
Last Answer : b. Primary Storage
Description : The standard I/O is also called: a. Isolated I/O b. Parallel I/O c. both a and b d. none of these
Last Answer : a. Isolated I/O
Description : A___ on this pin indicates a memory operation: a. Low b. High c. Medium d. None of these
Last Answer : a. Low
Description : If ______input pin of 80386 if activated, allows address pipelining during 80386 bus cycles. a) BS16 b) NA c) PEREQ d) ADS
Last Answer : a) BS16
Description : In 8051 an external interrupt 1 vector address is of ________ and causes of interrupt if ____. a) 000BH, a high to low transition on pin INT1 b) 001BH, a low to high transition on pin INT1 c) 0013H, a high to low transition on pin INT1 d) 0023H, a low to high transition on pin INT1
Last Answer : a) 000BH, a high to low transition on pin INT1
Description : 8096 write-protected mode, no code can write to memory address between __. a) 2020 to 3FFFH b) 8000 to FFFFH c) 2000 to 3FFFH d) 2020 to 202FH 17. If the __ pin is ___ , then we have the option ... b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : c) EA, high, external, internal
Description : In ADC 0808 if _______ pin high enables output. a) EOC b) I/P0-I/P7 c) SOC d) OE
Last Answer : b) I/P0-I/P7
Description : SOD pin can drive a D flip-flop? a) SOD cannot drive any flip-flops. b) SOD cannot drive D flip-flop, but can drive any other flop-flops. c) Yes, SOD can drive D flop-flop. d) No, SOD cannot drive any other flop-flops except D flop-flop
Last Answer : b) SOD cannot drive D flip-flop, but can drive any other flop-flops
Description : If the __ pin is ___ , then we have the option of using the ____ ROM or EPROM together with _____ memory and devices. a) EA, high, internal, external b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : a) EA, high, internal, external
Description : Which is not the main feature of DEC Alpha: a. 64 Bit RISC processor b. Designed to replace 32 VAX(CISC) c. Seven stage split integer/floating point pipeline d. Variable Instruction length
Last Answer : d. Variable Instruction length
Description : L2 cache memory is places at ______ a. On Processor b. On Mother Board c. On Memory d. All of these
Last Answer : b. On Mother Board
Description : L1 cache memory is places at ______ a. On Processor b. On Mother Board c. On Memory d. All of these
Last Answer : a. On Processor
Description : Pentium Pro Processor contains: a. L1 Cache b. L2 Cache c. Both L1 & L2 d. None of these
Last Answer : c. Both L1 & L2
Description : Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088
Last Answer : a. 16-bit 8086 and 8088
Description : Which process information at a much faster rate than it can retrieve it from memory: a. ALU b. Processor c. Microprocessor d. CPU
Last Answer : d. CPU
Description : Motorola introduced 32 bit RISC processor called______: a. MC 88100 b. MC 81100 c. MC 80100 d. MC 81000
Last Answer : a. MC 88100
Description : Motorola introduced _____ processor: a. 2 bit-RISC b. 4 bit-RISC c. 8 bit-RISC d. 32 bit-RISC
Last Answer : d. 32 bit-RISC
Description : HMOS stands for: a. High performance metal oxide semiconductor b. High processor metal oxide semiconductor c. Both A and b d. None of these
Last Answer : a. High performance metal oxide semiconductor
Description : Which are some of popular processor: a. Motorola 6800 and 6809 b. Intel 8085 c. Zilog Z80 d. All the above
Last Answer : d. All the above
Description : Which is the parts of memory unit: a. Processor memory b. Main memory c. Secondary memory d. All of these
Last Answer : d. All of these
Description : A time sharing system imply a. more than one processor in the system b. more than one program in memory c. more than one memory in the system d. None of above
Last Answer : b. more than one program in memory
Description : The first processor to include Virtual memory in the Intel microprocessor familywas: a.)80286 b.)80386c.)80486d.)Pentium
Last Answer : a.)80286
Description : A 32-bit address bus allows access to a memory of capacity(a) 64 Mb (b) 16 Mb (c) 1Gb (d) 4 Gb 2.Which processor structure is pipelined? a) all x80 processors b) all x85 processors c) all x86 processors
Last Answer : c) all x86 processors
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 : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register
Last Answer : d. Address register
Description : An approach that permits the computer to work on several programs instead of one is a. On-line thesaurus b. Multiprogramming c. Over lapped processing d. Outline processor
Last Answer : c. Over lapped processing
Description : What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson? a. AX3/33 b. NEC-20 c. Magnum 2000 d. HCL-3000
Last Answer : a. AX3/33
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 : The DMA controllers are special hardware embedded into the chip in modern integrate processor that ____and_____ to the system; a. Data transfer b. arbitrate access c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : Which is the type of microcomputer memory: a. Processor memory b. Primary memory c. Secondary memory d. All of these
Description : Which is called superhighway: a. Processor b. Multiplexer c. Backbone bus d. None of these
Last Answer : c. Backbone bus
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 : How many types of classification of processor based on register section: a. 1 b. 2 c. 3 d. 4
Last Answer : b. 2
Description : In 8096, mode ____ of serial port are ___ modes commonly used for ____ communications. a) 1, 8bit, single processor b) 0, 7bit, multiple microcontroller c) 2, 9 bit, multiple processors d) 3, 8 bit, multiple microcontroller
Last Answer : a) 1, 8bit, single processor
Description : The 8051 microcontroller is of ___pin package as a ______ processor. a) 30, 1byte b) 20, 1 byte c) 40, 8 bit
Last Answer : c) 40, 8 bit
Description : If ______ and ________ connections are made so that an error condition in 8087 can interrupt to the processor. a) BHE, RQ/GT1 b) BUSY, TEST c) INT, NMI d) RQ/GT0, RQ/GT1
Last Answer : c) INT, NMI
Description : ___ Connection and the _______ instruction will solve the problem of synchronization between processor and coprocessor. a) INT & NMI, WAIT b) RQ/GT0 & RQ/GT1, FWAIT c) BUSY & TEST, FWAIT d) S0 & QS0, WAIT
Last Answer : b) RQ/GT0 & RQ/GT1, FWAIT
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.