# Practice Test: Question Set - 15

**1. One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _______ map.**

- (A) De
Morgan

- (B) Standard

- (C) Schottky

- (D) Karnaugh

**2. A positive AND gate is also a negative**

- (A) NAND gate

- (B) NOR gate

- (C) AND gate

- (D) OR gate

**3. Conversion of decimal number 89**

_{10}it's binary number equivalent is- (A) 1011011

_{2}

- (B) 1100111

_{2}

- (C) 1011001

_{2}

- (D) 10011

_{2}

**4. Conversion of binary number 101000010111**

_{2}to hexadecimal number is- (A) D8F9

_{16}

- (B) A8B9

_{16}

- (C) A17

_{16}

- (D) D9F8

_{16}

**5. The _______ is a sequence of instructions that tells the computer how to process the data.**

- (A) Data

- (B) Program

- (C) Controls

- (D) Instruction

**6. Addition of 10**

_{2}and 11_{2}is- (A) 100

_{2}

- (B) 101

_{2}

- (C) 111

_{2}

- (D) 110

_{2}

**7. Conversion of binary number 101101**

_{2}to its decimal number is- (A) 45

_{10}

- (B) 43

_{10}

- (C) 40

_{10}

- (D) 47

_{10}

**8. A p-channel enhancement type MOSFET performs much the same function as a PNP transistor, except that**

- (A) It operates
much faster

- (B) It is
considerably larger

- (C) It is
controlled by voltage rather than by current, so that it requires very little
current at the control terminal

- (D) It is
controlled by current rather than by voltage like a bipolar transistor

**9. When the LOAD input of a buffer register is active, the input word is stored on the next positive _______ edge.**

- (A) Clock

- (B) Pulse

- (C) Register

- (D) Transistor

**10. The Gray code for decimal 7 is**

- (A) 0111

- (B) 1011

- (C) 0100

- (D) 0101

**11. Which of the following Boolean algebra rules is wrong?**

- (A) 0 + A = A

- (B) 1 + A = 1

- (C) A + A = A

- (D) 1 . x = 1

**12. The binary number 1100 0101 has _______ bytes**

- (A) 8

- (B) 4

- (C) 2

- (D) 1

**13. Conversion of a octal number 63**

_{8}to its decimal number is- (A) 51

_{10}

- (B) 61

_{10}

- (C) 57

_{10}

- (D) 53

_{10}

**14. What logic function is produced by adding an inverter to each input and the output of an AND gate?**

- (A) NAND

- (B) NOR

- (C) OR

- (D) XOR

**15. Conversion of binary number 1100011**

_{2}to an octal number is- (A) 140

_{8}

- (B) 143

_{8}

- (C) 147

_{8}

- (D) 149

_{8}

**View All Answers**

**Next Tests:**

Blogger Comment

Facebook Comment