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 : The first processor to include Virtual memory in the Intel microprocessor familywas: a.)80286 b.)80386c.)80486d.)Pentium
Last Answer : a.)80286
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 : The ALU of a computer responds to the commands coming from a. Primary memory b. Control section c. External memory d. Cache memory
Last Answer : b. Control section
Description : In 8086 microprocessor one of the following instructions is executed before an arithmeticoperation a. AAM b) AAD c) DAS d) DAA
Last Answer : b) AAD
Description : In 8086 microprocessor one of the following instructions is executed before an arithmetic operation a) AAM b) AAD c) DAS d) DAA
Description : Which of the following instructions is not available in 8085 microprocessor? (A) LDA 3850 (B) XTHL (C) push PSW (D) LDAXH
Last Answer : Which of the following instructions is not available in 8085 microprocessor? (A) LDA 3850 (B) XTHL (C) push PSW (D) LDAXH
Description : What is the main problem of Intel 4004 microprocessor: a. Speed b. Memory size c. World width d. All of these
Last Answer : d. All of these
Description : Which memory is used to copy instructions or data currently used by CPU: a. Main memory b. Secondary memory c. Cache memory d. None of these
Last Answer : c. Cache memory
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 : ___ memory system which is discussed later can improve matters in this respect: a. Data memory b. Cache memory c. Memory d. None of these
Last Answer : b. Cache memory
Description : Which of the following memories has the shortest access times? a. Cache memory b. Magnetic bubble memory c. Magnetic core memory d. RAM
Last Answer : a. Cache memory
Description : Which Bus connects CPU & level 2 cache: a. Rear side bus b. Front side bus c. Memory side bus d. None of these
Last Answer : b. Front side bus
Description : In IT, associative memory is called as (1) Virtual memory (2) Cache memory (3) Content addressable memory (4) Main memory
Last Answer : Content addressable memory
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 : 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 : 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 : A complete microcomputer system consists of a. microprocessor b. memory c. peripheral equipment d. all of above
Last Answer : d. all of above
Description : A physical connection between the microprocessor memory and other parts of the m9crocomputer is known as a. Path b. Address bus c. Route d. All of the above
Last Answer : b. Address bus
Description : A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is a. Punched paper tape b. Chip card c. Card punch
Last Answer : a. Punched paper tape
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 : Which microprocessor to read an item from memory: a. VAM b. SAM c. MOC d. None of these
Last Answer : b. SAM
Description : ____ causes the address of the next microprocessor to be obtained from the memory: a. CRJA b. ROM c. MAP d. HLT
Last Answer : c. MAP
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 the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB
Last Answer : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB
Description : Memory access in RISC architecture is limited to instructions a. CALL and RET b. PUSH and POP c. STA and LDA d. MOV and JMP
Last Answer : c. STA and LDA
Description : The instructions for starting the computer are house on a. Random access memory b. CD-Rom c. Read only memory chip
Last Answer : c. Read only memory chip
Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : b. Binary codes
Description : The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called a. Duping b. Booting c. Padding d. CPS
Last Answer : b. Booting
Description : The advantage of memory mapped I/O over I/O mapped I/O is, a) Faster b) Many instructions supporting memory mapped I/O c) Require a bigger address decoder d) All the above
Last Answer : d) All the 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 : 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 : VAM stands for: a. Valid memory address b. Virtual memory address c. Variable memory address d. None of these
Last Answer : a. Valid memory address
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 : Which is the components of microprocessor: a. Register unit b. Arithmetic and logical unit c. Timing and control unit d. All of these
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 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 : Which is the microprocessor comprises: a. Register section b. One or more ALU c. Control unit d. All of these
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 : ___________ is a very high speed memory placed in between RAM and CPU. A. Magnetic disk B. Magnetic drum C. Virtual memory D. Cache memory
Last Answer : D. Cache memory
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 : The fetch-execute cycle is to use a system know as: a. Assembly line b. Pipelining c. Cache d. None of these
Last Answer : b. Pipelining
Description : Which of the following terms is the most closely related to main memory? a. Non volatile b. Permanent c. Control unit d. Temporary
Last Answer : d. Temporary
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 : 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 : 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 : 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.