DS directive in 8085
DS directive in 8085
Which of the following conditions is not allowed in an RS latch?
Which of the following conditions is not allowed in an RS latch?
Which of the following is type declaration statement in C?
Which of the following is type declaration statement in C?
IC 7485 cannot be cascadeD.
IC 7485 cannot be cascadeD.
Which of the following is not a general purpose peripheral?
Which of the following is not a general purpose peripheral?
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.
[Hint: Construct the truth table for the adder and the multiplier]
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.
[Hint: Construct the truth table for the adder and the multiplier]
A 37 bit mantissa has an accuracy of
A 37 bit mantissa has an accuracy of
A structure that stores a number of bits taken “together as a unit” is a
A structure that stores a number of bits taken “together as a unit” is a
In Fortran 77 a variable name can contain special characters.
In Fortran 77 a variable name can contain special characters.
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.
Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.
Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.
In 8086 the number of bytes which can be addressed directly is about
In 8086 the number of bytes which can be addressed directly is about
The operating modes of 8255 A are called
The operating modes of 8255 A are called
When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode
When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode
Of the following circuits, the one which involves storage is
Of the following circuits, the one which involves storage is
The timing difference between a slow memory and fast processor can be resolved if
The timing difference between a slow memory and fast processor can be resolved if
MS Access is a DBMS software.
MS Access is a DBMS software.
It is possible to copy a file in the same directory.
It is possible to copy a file in the same directory.
Internet is a worldwide network of computers where most of the information is freely available.
Internet is a worldwide network of computers where most of the information is freely available.
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is
The five flags in 8085 are designated as
The five flags in 8085 are designated as
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A real number consists of
A real number consists of
Which of the following is a valid integer constant?
Which of the following is a valid integer constant?
Each instruction in assembly language program has the following fields:
Lable field
Mnemonic field
Operand field
Comment field
The correct sequence of these fields is?
Each instruction in assembly language program has the following fields:
Lable field
Mnemonic field
Operand field
Comment field
The correct sequence of these fields is?
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‘Burst refresh’ in DRAM is also called
‘Burst refresh’ in DRAM is also called
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.
In 8085 which addressing mode is also called inherent addressing?
In 8085 which addressing mode is also called inherent addressing?
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete
In 8085, the pins for SID and SOD are
In 8085, the pins for SID and SOD are
Assertion (A): Each memory chip has its own address latch.
Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip.
Assertion (A): Each memory chip has its own address latch.
Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip.
Which of the following is not treated as hexadecimal constant by assembler in 8085?
Which of the following is not treated as hexadecimal constant by assembler in 8085?
The minimum number of transistors required to implement a two input AND gate is
The minimum number of transistors required to implement a two input AND gate is
Which memory has read operation, byte erase, byte write and chip erase?
Which memory has read operation, byte erase, byte write and chip erase?
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].
In C the keywords are also called
In C the keywords are also called
The number of interrupt lines in 8085 is
The number of interrupt lines in 8085 is
If m is a power of 2, the number of select lines required for an m-input mux is:
If m is a power of 2, the number of select lines required for an m-input mux is:
When the write enable input is not asserted, the gated D latch _________ its output.
When the write enable input is not asserted, the gated D latch _________ its output.
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is
In one’s complement 8 bit representation 11111111 represents
In one’s complement 8 bit representation 11111111 represents
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)
The forms of IF statements in FORTRAN 77 are called
The forms of IF statements in FORTRAN 77 are called
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.
For a memory with a 16-bit address space, the addressability is
For a memory with a 16-bit address space, the addressability is
Using DeMorgan’s Theorem we can convert any AND-OR structure into
Using DeMorgan’s Theorem we can convert any AND-OR structure into
An I/O processor controls the flow of information between
An I/O processor controls the flow of information between
An e-mail message can be sent to many recipients.
An e-mail message can be sent to many recipients.
The character set of Fortran 77 includes lower case alphabets a to z.
The character set of Fortran 77 includes lower case alphabets a to z.
Which of the following pair of gates can form a latch?
Which of the following pair of gates can form a latch?
