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)
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