The method of accessing the I/O devices by repeatedly checking the status flags is_________ A. Memory-mapped I/O B. Program-controlled I/O C. I/O mapped D. None of the Above

The method of accessing the I/O devices by repeatedly checking the status flags is_________ A. Memory-mapped I/O B. Program-controlled I/O C. I/O mapped D. None of the Above
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B. Program-controlled I/O
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The method of accessing the I/O devices by repeatedly checking the status flags is ___________ a) Program-controlled I/O b) Memory-mapped I/O c) I/O mapped CSE-R17.BLOGSPOT.COM d) None of the mentioned

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Last Answer : Program-controlled I/O

The advantage of I/O mapped devices to memory mapped is ___________ a) The former offers faster transfer of datab) The devices connected using I/O mapping have a bigger buffer space c) The devices have to deal with fewer address lines d) No advantage as such

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Last Answer : The devices have to deal with fewer address lines

In memory-mapped I/O ____________ a) The I/O devices and the memory share the same address space b) The I/O devices have a separate address space c) The memory and I/O devices have an associated address space d) A part of the memory is specifically set aside for the I/O operation

Description : In memory-mapped I/O ____________ a) The I/O devices and the memory share the same address space b) The I/O devices have a separate address space c) The memory and I/O devices have an associated address space d) A part of the memory is specifically set aside for the I/O operation

Last Answer : The I/O devices and the memory share the same address space

.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

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The ALU gives the output of the operations and the output is stored in the ________ a) Memory Devices b) Registers c) Flags d) Output Unit

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To overcome the lag in the operating speeds of the I/O device and the processor we use ___________ a) BUffer spaces b) Status flags c) Interrupt signals d) Exceptions

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Last Answer : Status flags

The method which offers higher speeds of I/O transfers is ___________ a) Interrupts b) Memory mapping c) Program-controlled I/O d) DMA

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Last Answer : DMA

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

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In 8085 microprocessor with memory mapped I/O which of the following is true?

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The process where in the processor constantly checks the status flags is called as _________ A. Polling B. Inspection C. Reviewing D. None of the Above

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What is the difference between non-volatile memory and storage is that the memory is__________ and storage is_________.A. temporary, permanentB. permanent, temporaryC. slow, fastD. none of the above?

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The necessary steps carried out to perform the operation of accessing either memory or I/O Device, constitute a ___________________ a) fetch operation b) execute operation c) machine cycle

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_______ is a form of denial of service attack in which a hostile client repeatedly sends SYN packets to every port on the server using fake IP addresses. a) Cybergaming crime b) Memory shaving c) Syn flooding d) Software piracy e) None of these

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Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as A) PC B) Flags C) Memory Address Registers D) General Purpose Registers

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Registers, which are partially visible to users and used to hold conditional, are known as A) PC B) Memory address registers C) General purpose register D) Flags

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The process wherein the processor constantly checks the status flags is called as ___________ a) Polling b) Inspection c) Reviewing d) Echoing

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Which are the flags of status register: a. Over flow flag b. Carry flag c. Half carry flag d. Zero flag e. Interrupt flag f. Negative flag g. All of these

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Last Answer : g. All of these

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Memory —mapped ___is used this is just another memory address. a. Input b. Output c. Both d. None

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In a 8085 microprocessor system with memory mapped I / 0,

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Before checking the program for errors in translating code into machine language the high level language code is loaded into __ a. Register b. Memory c. Data d. CPU

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