Q.1
An OR gate has 6 inputs. What is the only input word that produces a 0 output?
Q.2
A diagram that illustrates the ore (Logic) of functions in a progran called a
Q.3
With an RS latch a high S and low R sets the output to _____ ; a low S and a high R _____ the output to low.
Q.4
A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that
Q.5
Flip-flop outputs are always
Q.6
The output 0 and 1 levels for TTL logic family is approximately
Q.7
A _____ TTL device can sink up to 16mA and can source up to 400 MA.
Q.8
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.
Q.9
What logic function is produced by adding an inverter to each input and the output of an AND gate?
Q.10
What is the 2's complement of 0011 0101 1001 1100 number?
Q.11
When a transistor is cut off or saturated, transistor _____ have almost no effect
Q.12
Express -7 as 16-bit signed binary numbers.
Q.13
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____
Q.14
A positive AND gate is also a negative
Q.15
In which code the successive code characters differ in only one bit position?
Q.16
Conversion of binary number 1011012 to hexadecimal is
Q.17
ASCII and EBCDIC differ in
Q.18
Conversion of decimal number 6110 to it's binary number equivalent is
Q.19
An OR gate can be imagined as
Q.20
Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH
Q.21
Conversion of binary number 1000112 to an octal number is
Q.22
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?
Q.23
Conversion of binary number 10010102 to to its decimal number is
Q.24
Conversion of an octal number 1128 to hexadecimal number is
Q.25
The functional difference between SR flip-flop and JK flip-flop is that
Q.26
What is the hexadecimal equivalent of a binary number 10101111
Q.27
The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.
Q.28
A combinational logic circuit which generates particular binary word or number is
Q.29
The 1's compliment of binary number 11010 is:
Q.30
Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.
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