Computers
posted by Thomas .
1. An 7bit 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 256 synchronous counter
C. MOD 256 ripple counter
D. MOD 128 synchronous counter
2. Which group of logic devices represents the minimum hardware required for a MOD 128 synchronous counter?
A. four flip flops, two AND gates
B. five flip flops, three AND gates
C. six flip flops, four AND gates
D. seven flip flops, five AND gates
3.A 50 kHz clock pulse is applied to a MOD20 ripple counter. What is the output frequency?
A. 1.88 kHz
B. 1.55 kHz
C. 2.5 kHz
D. 2kHz
4. A production plant needs a counter that will count 1,800 items before resetting and recycling. How many flipflop stages would this counter require?
A. 13
B. 10
C. 11
D. 12

Computers 
Anonymous
deded
Respond to this Question
Similar Questions

Stage
The following is a diagram of a stage: UP STAGE STAGE RIGHT STAGE LEFT DOWN STAGE (AUDIENCE) Now, if in a book based on a play it says that there are two bedroom doors: DOOR#1 "at right" and DOOR #2 "at left", which side of the stage … 
math
Hello, Here is a question with something i've never heard of. These are the first two stages of a fractal known as the Sierpinski carpet. The carpet begins with a square (stage 1). The square is cut into 9 congruent squares and the … 
Human GeographyHelp!
Where is the largest concentration of people? 
English
I urgently need to check these sentences. I did the corrections myself. I just want to know if my corrections are OK. 1) A smaller stage, called inner stage, was hidden by a curtain at the bottom of the main stage and was used, for … 
math
A simple fractal tree Grows in stages. A each new stage, two new line segments branch out from each segment at the top of the tree. The first five stages are shown. How many line segments need to be drawn to create stage 20? 
Probablity
Samir had prepared the problem tests for Stages 1 to 5 of Geometry and Combinatorics for next week but forgot to label which test was for which stage. Since Samir didn't label them, the computer assigned them labels 1 through 5 randomly, … 
Scoiolgy
Tony is five years of age. He loves to dress up like the Lone Ranger and pretend to help people in need. According to Mead's theory, what stage best describes Tony's behavior? 
Introduction to business
1. In which stage of the product life cycle are profits at their highest? 
science
Which of the following is not a stage in the development of a thunderstorm? 
Math
Stage 1: 1 = 1 Stage 2: 1+3 = 4 Stage 3: 1 +3+5 = 9 Stage 4: 1+3+5+7= 16 a. Find the next four stages and their sums. b. What is the sum in Stage 20?