1. The time required for a gate to change its output is called as ?

Decay time

start time

run time

propagation time

Answer: propagation time

Explanation:


2. A 32 × 10 ROM contains a decoder of size ?

32 × 32

32 × 10

5 × 32

10 × 32

Answer: 5 × 32

Explanation:


3. The smallest unit of binary data is the ________ ?

bit

nibble

byte

word

Answer: bit

Explanation:


4. Eight bits of digital data are normally referred to as a: ?

group

byte

word

cell

Answer: byte

Explanation:


5. Four bits of digital data are normally referred to as a ?

group

byte

word

Nibble

Answer: Nibble

Explanation:


6. EEPROM stands for ________ ?

encapsulated electrical programmable read-only memory

elementary electrical programmable read-only memory

electrically erasable programmable read-only memory

elementary erasable programmable read-only memory

Answer: electrically erasable programmable read-only memory

Explanation:


7. The access time of ROM using bipolar transistors is about ?

1 sec

1 mili sec

1 micro sec

1 n sec

Answer: 1 micro sec

Explanation:

Access time is the time taken to read a stored word after applying address bits. Bipolar memories have a faster access time than MOS memories. Typical MOS EPROM has an access time of 450 n seC. Bipolar PROM has 80 n sec. So, option (c) is most appropriate


8. The density of dynamic RAM is ?

the same as static RAM

less than that of static RAM

more than that of static RAM

either equal or less than that of static RAM

Answer: more than that of static RAM

Explanation:


9. FIFO is formed by an arrangement of ________ ?

diodes

transistors

MOS cells

shift registers

Answer: shift registers

Explanation:


10. RAM can be expanded to ?

increase word size

increase word number

increase word size or increase word number

none of above

Answer: increase word size or increase word number

Explanation:

Both memory capacity and word size can be increased