Do the following binary addition and then convert all numbers to decimal (4 points)

1010110

86

1110011

115

11001001

201

Do the following decimal addition and then convert al numbers to binary (4 points)

1100001

97

100110

38

10000111

135

What are five major components of a computer (5 points):

ALU

CPU

CU

CLOCK

Instruction buffer

Address translation buffer

Disk controller unit

Bus

System console

Magnetic tape

Disk storage

User terminals

Memory

 

List three input/output devices (3 points)

  1. Monitor
  2. Keyboard
  3. Floppy disk
  4. Hard driver
  5. Zip drive
  6. Scanner
  7. Digital camera
  8. Mouse
  9. Speakers
  10. Plotter

 

 

What is an algorithm (1 point)

An algorithm is a step by step solution to a problem

What is a binary number (1 point)

A number in the base two system, having the symbols 1 and 0.

What is a byte (1 point)

Unit of memory with eight bits.

What is RAM (1 point)

Random Access Memory

What is ROM (1 point)

Read only memory

What base is the number 10 (1 point)

This could be any base.

What s a stored program (1 point)

A program stored in the computer for later execution.

What are the two parts of a machine instruction (2 points)

1. opcode

2. operand

What are the seven parts of Software Development Life Cycle (7 points)

1. Requirements specification

2. Analysis

3. Design

4. Implementation

5. Testing

6. Documentation

7. Maintenance and Enhancement