Test: Digital Electronics - 5 - Electrical Engineering (EE) MCQ
25 Questions MCQ Test Digital Electronics - Test: Digital Electronics - 5
The principal of locality of reference justifies the use of
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The contents of the commands register are 23 H. Then port C
Consider the following digital circuits:
- Multipliers
- Read only memories
- D-latch
- Circuits as shown
Which of the following bus is used to transfer data from main memory to peripheral device?
An 8085 microprocessor based system uses a 4 k x 8 bit RAM whose address in AAOOH. The address of the last byte in this RAM is
Read the following statements: Dual slope ADC provides
- higher speed as compared to other ADC
- very good accuracy
- good rejection of power supply
- better resolutions compared to other ADC for the same number of bits
In 8085 microprocessor, how many I/O ports can be accessed by memory mapped method?
The open wired circuit in the given figure works as a
The circuit shown below is functionally equivalent to
The amplifier used in miller voltage sweep should have a gain of
How many different binary numbers can be stored in a register consisting of six switches?
In one of the codes for transfer of numbers the code for the succeeding number differs from that of the number only in the change of a single digit. The code is
Assertion (A): TTL uses multiple emitter transistor.
Reason (R): Multiple emitter transistors with about 60 emitters have been developed.
The number of programmable 16 bit registers of 6800 are
In floating point representation, the number of bits of mantissa is
The clock shown in figure has a frequency of 6 MHz. The frequency of the Q output will be
In 8085 microprocessor, if interrupt service requests have been received from all of the following interrupts, then which one will be serviced first?
Which of the following can provide a digital signal?
Data are recorded on a 2, 400 ft reel of magnetic tape at a density of 556 characters per inch. If the record length is of 100 characters and 0.75 inch of record gap, the tape utilization factor is
If all bubbles are removed, what are the new RAM locations?
The 8156 of a figure has RAM locations from 2000 H to 20 FFH.
Some of MOS families are PMOS, CMOS, the family dominating the LSI field, where low power consumption is necessary is
For a particular type of memory the access time and cycle time are 200 ns each. The maximum rate at which data can be accessed by
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