1. A binary adder is a logic circuit that can add _____ binary numbers at a time.

A. Hundreds

B. Thousands

C. One

D. Two

E. None of the above

2. A half-adder adds _____ bits

A. 16

B. 8

C. 10

D. 2

E. None of the above

3. The 2764 is 65,536-bit EPROM organized as 8,192 words of 8 bits each. How many address lines does it have?

A. 12

B. 14

C. 13

D. 8

E. None of the above

4. What does 4k represent?

A. 4000

B. 4096

C. 40

D. 400

E. None of the above

5. Conversion of decimal number 42_{10} to it’s octal number equivalent is

A. 57_{8}

B. 42_{8}

C. 47_{8}

D. 52_{8}

E. None of the above