16) The decimal equivalent of E16 is:
A) 15
B) 12
C) 14
D) 13
17) Convert 110011012 to its decimal equivalent using the sum-of-weights position method.
A) 205
B) 207
C) 409
D) 410
18) The ALU do not performs arithmetic operations such as:
A) XOR
B) Multiplication / Division
C) Add / Substract
D) AND / OR
E) None of the above
19) An 8-bit counter is wired as follows: The CLK input to the first stage (LSB) is the system clock. Each stage's output is used as the CLK input to the next higher stage. This counter is a:
A) MOD 128 ripple counter.
B) MOD 128 synchronous counter.
C) MOD 256 ripple counter.
D) MOD 256 synchronous counter.
20) A three-line-to-eight line decoder has inputs CBA where A is the LSB. The output AND gates are labeled Q0 through Q7. The output of AND gate Q4 should be active when the inputs are:
A) CB A
B) CB A
C) CB A
D) CB A