Electrical Engineering Mcqs

The binary number 10101 is equivalent to decimal number_________________?

• (A)  19
• (B)  12
• (C)  27
• (D)  21

Answer

Submitted By :Ali Uppal

The fan put of a 7400 NAND gate is_______________?

• (A)  2TTL
• (B)  5TTL
• (C)  8TTL
• (D)  10TTL

Answer

Submitted By :Ali Uppal

Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is__________________?

• (A)  10 CPS
• (B)  120 CPS
• (C)  12CPS
• (D)  None of the above

Answer

Submitted By :Ali Uppal

Indicate which of the following three binary additions are correct? 1.1011 + 1010 = 10101 II. 1010 + 1101 = 10111 ?

• (A)  I and II
• (B)  II and III
• (C)  III only
• (D)  II and III

Answer

Submitted By :Ali Uppal

Class _____________ operation gives the maximum distortion?

• (A)  A
• (B)  B
• (C)  C
• (D)  AB

Answer

Submitted By :Ali Uppal

The output stage of a multistage amplifier usually employs _________________?

• (A)  Push-pull amplifier
• (B)  Preamplifier
• (C)  Class A power amplifier
• (D)  None of the above

Answer

Submitted By :Ali Uppal

The inputs of a NAND gate are connected together. The resulting circuit is _______________?

• (A)  OR gate
• (B)  AND gate
• (C)  NOT gate
• (D)  None of the above

Answer

Submitted By :Ali Uppal

The universal gate is ________________?

• (A)  NAND gate
• (B)  OR gate
• (C)  AN
• (D)  gate

Answer

Submitted By :Ali Uppal

What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease ?

• (A)  A & B
• (B)  C & D
• (C)  A & D
• (D)  B & C

Answer

Submitted By :Ali Uppal

Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins ?

• (A)  PLCC
• (B)  QFP
• (C)  PGA
• (D)  BGA

Answer

Submitted By :Ali Uppal