Page 48 - DCAP101_BASIC_COMPUTER_SKILLS

Unit 3: Memory

Notes
Random Access Memory. DRAM will become the standard memory chip for
personal computurs replacing magnetic core memory.

Questions:
1. Give the name of Analytical Engine beginner.
2. Tell the time line of 8 KB memory computer.

3.3 Summary

• CPU contains necessary circuitry for data processing.

• Computer mother board is designed in a manner that its, memory capacity can be
enhanced easily by adding more memory chips.
• Micro programs, they are the special programs for building electronic circuit to
perform operations.
• Manufacturer programmed; ROM is one in which data is burn in the menu facture of
electronic unit/equipment in which it is used.

3.4 Keywords

Single line memory modules: The additional RAM clip which plug into special sockets on the
mother board.
PROM: Programed Rom is one in which data is burnt in by the manufacturer of the
electronic equipment in which it is used.

Ultra violet EP-ROM (UVEPOAN): It is one in which the stored information is erased by
using high voltage electric pulses.
Cache memory: It is used to temporarily store very active data and instructions during
processing.

1. Define output device.
2. Define all Secondary storage devices.

3.5 Self-Assessment Questions

1. The additional RAM chips which plug into special sockets on the mother board are
known as
(a) SIMMs (b) SIMs
(c) PROM (d) All of these
2. These are two types of read-only memory (ROM) manufacture-programmed and user
program.
(a) True (b) False
3. Which programme are mainly used to store programme and data that do not changed
are frequently used.
(a) RAMs (b) ROMs

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