Microprocessor MCQs

Microprocessor MCQs

Try to answer these 200+ Microprocessor MCQs and check your understanding of the Microprocessor subject.
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1: The mode that is programmed using “end interrupt/error mode set command” is

A.   Scanned keyboard special error mode

B.   Scanned keyboard with N-key rollover

C.   Scanned keyboard mode with 2 key lockout

D.   Sensor matrix mode

2: The loosely coupled system has an advantage of

A.   More number of CPUs can be added

B.   System structure is modular

C.   More fault-tolerant and suitable for parallel applications

D.   All of the mentioned

3: The memory of a microprocessor serves as

A.   Storage of individual instructions

B.   Temporary storage for the data

C.   Storing common instructions or data for all processors

D.   All of the mentioned

4: In which of these modes, the immediate operand is included in the instruction itself?

A.   Register operand mode

B.   Immediate operand mode

C.   Register and immediate operand mode

D.   None of the mentioned

5: The master PIC 8259A decides which of its slave interrupt controllers is to return the vector address, as a response of

A.   First INTA (active low) pulse from 80286

B.   Second INTA (active low) pulse from 80286

C.   Third INTA (active low) pulse from 80286

D.   None of the mentioned

6: The mechanism that is executed at certain privilege levels, determined by CPL (Current Privilege Level) and I/O privilege level (IOPL) is

A.   Restricted use of segments

B.   Restricted accesses to segments

C.   Privileged instructions or operations

D.   None of the mentioned

7: The instruction that loads effective address formed by destination operand into the specified source register is

A.   LEA

B.   LDS

C.   LES

D.   LAHF

8: To estimate the size of an executable program before it is assembled and linked, the programming methodology concerned is by writing

A.   Programs with more than one segment for data and code

B.   Programs with FAR subroutines each of size upto 64KB

C.   Programs with more than one segment for stack

D.   All of the mentioned

9: Whenever a number of devices interrupt a CPU at a time, and if the processor is able to handle them properly, it is said to have

A.   Interrupt handling ability

B.   Interrupt processing ability

C.   Multiple interrupt processing ability

D.   Multiple interrupt executing ability

10: The number of pulses required for one complete rotation of the shaft of the stepper motor is equal to the

A.   Number of internal teeth on a rotor

B.   Number of internal teeth on a stator

C.   Number of internal teeth on a rotor and stator

D.   Number of external teeth on a stator

11: A machine language instruction format consists of

A.   Operand field

B.   Operation code field

C.   Operation code field & operand field

D.   None of the mentioned

12: The instructions which after execution transfer control to the next instruction in the sequence are called

A.   Sequential control flow instructions

B.   Control transfer instructions

C.   Sequential control flow & control transfer instructions

D.   None of the mentioned

13: The addressing mode that is used in unconditional branch instructions is

A.   Intrasegment direct addressing mode

B.   Intrasegment indirect addressing mode

C.   Intrasegment direct and indirect addressing mode

D.   Intersegment direct addressing mode

14: In PUSH instruction, after each execution of the instruction, the stack pointer is

A.   Incremented by 1

B.   Decremented by 1

C.   Incremented by 2

D.   Decremented by 2

15: The instruction that loads the flag register completely from the word contents of the memory location is

A.   PUSH

B.   POP

C.   PUSHF

D.   POPF

16: What is the name for all of a semiconductor's electronic components?

A.   Device

B.   Chip

C.   Board

D.   Wafer Fab

17: What is a wafer fab called if it fabricates multiple dies onto one silicon wafer?

A.   A semiconductor foundry

B.   A foundry

C.   A PCB fab

D.   A fab house

E.   A semiconductor fabrication plant

18: What is the process of placing hundreds of thousands of electronic components on a single chip?

A.   PCB photolithography

B.   Computer-aided design

C.   Photolithography

D.   VLSI Very Large Scale Integration

E.   Substrate lithography

19: What is the VLSI Very Large Scale Integration?

A.   A type of computer architecture

B.   A technique used in digital signal processing to reduce noise and interference

C.   The process of placing hundreds of thousands (between 100,000 and one million) of electronic components on a single chip

D.   An approach to computer architecture that uses a large number of interconnected microprocessors

E.   The size of a chip that can process large amounts of data

20: In which process are patterns on the layers of the microprocessor exposed to UV light?

A.   Etching

B.   Printing

C.   Photography

D.   Lithography

E.   Screen printing

21: What type of light is used to expose patterns on the layers of the microprocessor?

A.   X-Ray Light

B.   Ultraviolet Light

C.   Gamma Ray Light

22: How many transistors are on an Intel LSI chip?

A.   More than one million

B.   One million

C.   One

D.   Fewer than one million

E.   Five thousand

23: What is the acronym for LUSI?

A.   Land-based Unmanned System Integration

B.   Large Scale Integration

C.   Large UAV Integration

D.   Substantial Scale Integration

E.   Ultra Large Scale Integration

24: In what year did the transistor first appear?

A.   1927

B.   1948

C.   1839

D.   1947

E.   1949

25: Where were transistors invented?

A.   Sony

B.   IBM

C.   AT&T

D.   Bell Labs

26: What type of material can change its electrical state?

A.   Semiconductor

B.   Metal

C.   Liquid

27: What do TLB's cache?

A.   Server response time

B.   The translation

C.   Part of the translation

D.   Performance data

E.   Memory

28: What is a term for the hardware that caches part of the translation from virtual addresses to physical addresses?

A.   Virtual Address Extension

B.   Physical Address Extension

C.   Address Resolution Protocol

D.   Translation Table

E.   Translation Lookaside Buffer

29: Which CPU architecture allows more than one instruction to be executed in one clock cycle?

A.   CISC

B.   VLIW

C.   Superscalar

30: In a superscalar architecture, how many instructions can be executed in one clock cycle?

A.   Fewer than one

B.   One

C.   More than one

31: In what year did Intel acquire Digital's chip manufacturing facilities?

A.   1999

B.   2006

C.   2007

D.   1997

E.   2001

32: What company made the StrongARM chips?

A.   AMD

B.   ARM

C.   Intel

D.   ARM Holdings

33: What does SMP stand for?

A.   Shared Memory Pool

B.   Serial Memory Page

C.   Single Message Processing

D.   Symmetric Multiprocessing

E.   Supercomputing

34: What is SMP Symmetric Multiprocessing?

A.   A software application that helps manage large data sets

B.   A computer architecture that allows multiple processors to share common memory

C.   A computer architecture that allows multiple processors to share a single memory

D.   A programming language that supports parallel processing

E.   A computer architecture that provides fast performance

35: What type of code is AMD trying to extend their architecture to support?

A.   64-bit

B.   CPU

C.   32-bit

D.   Graphics

E.   64-bit ARM

36: What is the name of AMD's x86-64 design?

A.   Jaguar

B.   Bobcat

C.   Rome

D.   Sledgehammer

E.   Bulldozer

37: Cut from what is the silicon wafer used to make microprocessors?

A.   A solar panel

B.   A water pipe

C.   A silicon wafer

D.   A silicon ingot

E.   A photoresist

38: What do semiconductors allow to be changed?

A.   Negative charge or positive charge

B.   Metal or an insulator

C.   Conductor or metal

D.   Conductor or an insulator

E.   Magnetism or an atom

39: What item is grown on a wafer during chip fabrication to serve as an insulating layer?

A.   Metal

B.   Copper

C.   Glass

D.   Silicon Dioxide

40: What does SiO2 serve as?

A.   A buffer against corrosion

B.   A polar molecule

C.   An insulating layer

D.   A type of rock

E.   A material used in lenses

41: What are thin wafers made into?

A.   TV antennas

B.   Jewelry

C.   Cigarette filters

D.   Computer chips

E.   Transistors

42: What are thin wafers used for?

A.   Making DVDs

B.   Filling cavities in teeth

C.   Holding food

D.   Making computer chips

E.   Making CDs

43: What is the most significant product built from a semiconductor?

A.   Computer

B.   Processor

C.   Integrated circuit

D.   Memory chip

E.   Transistor

44: What type of processor packaging did Intel first use with the Pentium II?

A.   Single Edge Connect

B.   Dual Edge Connect

C.   Quad Edge Connect

D.   Double Edge Connect

45: What does the term "Single Edge Connect" refer to?

A.   The termination point of a cable

B.   A data communications protocol

C.   A telecommunications technology

D.   A form of processor packaging

E.   A computer networking standard

46: What is a microprocessor architecture that recognises a limited number of instructions?

A.   VLIW

B.   RISC

C.   CISC

47: What does a RISC microprocessor architecture recognize?

A.   A relatively limited number of instructions

B.   A relatively high number of registers

C.   A relatively large number of registers

D.   A relatively large number of addressing modes

E.   Multiplexed data and address buses

48: What is the abbreviation for RISC?

A.   Reconfigurable Instruction Set Computer

B.   Reduced Instruction Set Computer

C.   Redundant Instruction Set Computer

49: What is an example of a resistor?

A.   Electronic component that resists the flow of current

B.   Metal bar that provides a resistance to the flow of electric current

C.   Device that smooths out the power supply to a device

D.   Metal disk that resists the flow of heat

50: What is another term for resistor?

A.   Wiring harness

B.   Electronic component

C.   Metal wire

D.   Electrical load

E.   Electrical wire

51: The Registers are a mini-storage area for data used by what function?

A.   Memory

B.   CPU

C.   Central Processing Unit

D.   Arithmetic Logic Unit

52: What are the Arithmetic Logic Unit's Registers used for?

A.   To complete the tasks the Control Unit has requested

B.   To hold the results of previous operations

C.   To hold the results of previous calculations

D.   To hold the program to be executed next

E.   To temporarily store data while the ALU is working on it

53: What does the Prefetch Unit make sure is lined up correctly before sending it to the Decode Unit?

A.   The most recently used instruction

B.   The next instruction

C.   The next available instruction

D.   Memory locations that have been referenced

E.   All the instructions

54: What is used as an interconnect layer on chips?

A.   Copper

B.   Plastic

C.   Silicon

D.   Aluminum

55: What is used as an interconnect layer on a chip?

A.   Metal

B.   Glass

C.   Polysilicon

56: What kind of processing provides simultaneous processing?

A.   Pipeline Processing

B.   Parallel Processing

C.   Branching and Merging Processing

D.   Web Processing

57: What type of light is used to help define circuit patterns?

A.   X-Ray

B.   Visible light

C.   Ultraviolet

D.   Infrared

58: What material becomes soluble when exposed to ultraviolet light?

A.   Plasma

B.   Photoresist

C.   Glass

D.   Paper

59: What does photoresist prevent from being applied to the area covered by the resist?

A.   Fogging

B.   Fading

C.   Etching or plating

D.   Sheen

E.   Burning

60: What does the process of photolithography use to transfer the image?

A.   Ultraviolet light

B.   A laser

C.   Electromagnetic radiation

D.   Electrons

E.   Mechanical pressure

61: How many pins can a PGA contain?

A.   800

B.   400

C.   200

D.   300

62: What is the acronym for a Pin Grid Array?

A.   PICA

B.   PCI

C.   RAM

D.   PCB

E.   PGA

63: In what year were the P54 and P55 released?

A.   1994

B.   1993

C.   1995

64: What was the Intel code name for the 60/66MHz Pentiums?

A.   P7

B.   P5

C.   Kentsfield

D.   P6

E.   Delta

65: What was the Intel codename for the faster Pentium chip?

A.   P6

B.   P54

C.   K5

D.   P5

66: What is the Intel code for the Pentium Pro?

A.   P4

B.   P5

C.   P6

67: The P6 is optimized for what applications?

A.   8GB

B.   32-bit

C.   64-bit

68: What was the name of the user-installable microprocessor from Intel?

A.   Itanium

B.   Celeron

C.   OverDrive

D.   Pentium

69: What company made the OverDrive chip?

A.   AMD

B.   ARM Holdings

C.   Intel

70: What type of chip allowed an upgrade to the processor?

A.   Ethernet

B.   Serial

C.   OverDrive

D.   Flash

E.   MicroSD

71: When was the MMX processor released?

A.   Late 1995

B.   Late 1996

C.   Early 1998

D.   Mid 1998

E.   Late 1997

72: What type of packaging did MMO Intel use for mobile processors?

A.   Chip

B.   Tube

C.   Tablet

D.   Pop-out

E.   Box

73: What size cache does the MMX processor have?

A.   64Mb

B.   128Mb

C.   32Mb

74: What kind of data did the MMX instructions help process?

A.   Multimedia

B.   Financial

C.   Scientific

D.   Mathematical

E.   Chemical

75: What is the purpose of the gold wire that connects the chip to its package?

A.   To connect the actual chip

B.   To hold the chip in place

C.   To provide power to the chip

D.   To provide an anchor for the package

76: What is the term used to describe the big store house of data outside of the microprocessor?

A.   Storage Area Network

B.   Main Memory

C.   Hard Drive

D.   ROM

E.   Disk Drive

77: Where is the main memory located?

A.   In the CPU

B.   Outside of the microprocessor

C.   On the motherboard

D.   In the microprocessor

78: What is a synonym for LSI Large Scale Integration?

A.   ASIC

B.   FPGA

C.   DSSI

D.   EDSI

E.   VLSI

79: What is a synonym for LSI?

A.   Embedded System

B.   Hardware-Software Interconnect

C.   Large Scale Integration

D.   Large Scale Integration Solution

E.   Large Scale Integration Platform

80: What makes up Logic Gates?

A.   Gates

B.   Transistors

C.   CMOS Logic

D.   NAND gates

E.   Logic symbols

81: What is a Logic Gate?

A.   A gate that can have multiple inputs and one output

B.   A switch that activates and deactivates an electrical current

C.   A circuit that can be used to create binary signals

D.   A collection of transistors and resistors

E.   A machine that evaluates mathematical expressions

82: When were the Katamai instructions first released to the market?

A.   Spring of 2002

B.   Spring of 2000

C.   Fall of 2001

D.   Spring of 1999

E.   Fall of 1999

83: New instructions were designed to optimize which type of application?

A.   Presentation software

B.   Business applications

C.   Spreadsheets

D.   Multimedia and graphics

E.   Scientific applications

84: What is the name of the first product in the Intel ia-64 family of processors?

A.   Celeron

B.   Xeon

C.   Itanium

D.   Pentium

85: What was the original codename for the Intel 64?

A.   Falcon

B.   Medina

C.   Mulberry

D.   Escalade

E.   Merced

86: What is the measure of how many instructions a CPU is capable of executing in a single clock?

A.   Clock speed

B.   Instructions per cycle

C.   Cycles per instruction

D.   IPC

E.   Instructions per clock

87: IPC is a much truer measure of what than clock frequency alone?

A.   Operating system overhead

B.   Clock speed

C.   Processor power

D.   GPU performance

E.   Processor performance

88: What are ions?

A.   Atoms or molecules that have a net electrical charge

B.   Substances that have lost or gained electrons

C.   Molecules with more than one atom

D.   Elements that have the same number of protons in their nucleus

E.   Particles that have a nucleus with protons and neutrons

89: What make impurities in silicon alter the conductivity of?

A.   Sulfur

B.   Oxygen

C.   Ions

90: Where are instructions kept on the chip?

A.   Processor

B.   Data Cache

C.   Main Memory

D.   Instruction Cache

91: What is the Instruction Cache called?

A.   A warehouse of instructions

B.   The place where the CPU stores recently executed instructions

C.   A place where data is temporarily stored

92: In which warehouse does the instruction cache reside?

A.   In the motherboard

B.   On the chip

C.   In the power supply

D.   In the main memory

E.   In the CPU

93: What kind of material could contain an IC?

A.   Glass

B.   Silicon

C.   Aluminum

D.   Copper

94: What is an Integrated Circuit made up of?

A.   Printed circuit boards

B.   Parts of a computer

C.   Metal wires and plates

D.   Glass and plastic

E.   Electronic components and their connections

95: What is an Integrated Circuit called?

A.   A tiny complex of electronic components and their connections

B.   A widget

C.   A circuit that performs a single task

D.   A computer chip

96: How many bit environments does the IA-64 Next generation 64-bit architecture support?

A.   32-bit and 64-bit

B.   16-bit and 32-bit

C.   8-bit and 16-bit

97: What is the name of the bus that connects the CPU and main memory?

A.   AGP Frontside bus

B.   AGP

C.   PCI

D.   FSB Frontside bus

E.   Memory controller hub

98: In a DIB architecture, what connects the CPU to the Level 2 cache?

A.   Backside bus

B.   Frontside bus

C.   Memory controller

99: What do FPUs specialty in?

A.   Floating-point math

B.   Logic

C.   Algebra

D.   Integer math

E.   Arithmetic

100: What term do FPUs perform faster than?

A.   CPUs

B.   FPGAs

C.   GPUs