Reference no: EM131552128
Q.1 Which of the following memories uses one transistor and one capacitor as basic memory unit.
a. SRAM
b. DRAM
c. Both SRAM and DRAM
d. None
Q.2 Which number system has a base of 16
a. Decimal
b. Octal
c. Hexadecimal
d. None
Q.3 A latch is sensitive
a. Both edge and level
b. Edge
c. Level
d. None
Q.4 How many entries will be in the truth table of a 3 input NAND gate?
a. 3
b. 6
c. 8
d. 9
Q.5 How many bits are required to store one BCD digit?
a. 1
b. 2
c. 3
d. 4
Q.6 In binary number system the first digit (bit) from right to left is called as
a. LSB , Least Significant bit
b. MSB, Most Significant bit
c. First bit
d. Last bit
Q.7 In an SR latch built from NOR gates, which condition is not allowed
a. S=0, R=0
b. S=0, R=1
c. S=1, R=0
d. S=1, R=1
Q.8 A D-flip-flop is said to be transparent when
a. The output is low
b. The output is high
c. The output follow clock
d. The output follow input
Q.9 Which of these sets of logic gates are designated as universal gates?
a. NOR, NAND
b. XOR, NOR,NAND
c. OR, NOT, AND
d. NOR, NAND, XNOR
Q10 In the toggle mode a JK flip-flop has
a. J=0, K=0
b. J=1, K=1
c. J=0, K=1
d. J=1, K=0