Sage-Tips

How fast was the CPU in the original IBM PC?

“The original IBM PC had a clock speed of 4.77 MHz. The 8088 processor inside was actually specified to run at 5 MHz, so how did IBM end up at 4.77?”

What was the clock speed of the first CPU?

The first commercial PC, the Altair 8800 (by MITS), used an Intel 8080 CPU with a clock rate of 2 MHz (2 million cycles per second). The original IBM PC (c. 1981) had a clock rate of 4.77 MHz (4,772,727 cycles per second).

What is a normal clock speed for CPU?

A clock speed of 3.5 GHz to 4.0 GHz is generally considered a good clock speed for gaming but it’s more important to have good single-thread performance. This means that your CPU does a good job of understanding and completing single tasks. This is not to be confused with having a single-core processor.

Who invented IBM PC?

Mark Dean
Philip Don Estridge
IBM Personal Computer/Inventors

What is the oldest processor?

Intel 4004
The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971. Sold for US$60, it was the first commercially produced microprocessor, and the first in a long line of Intel CPUs….Intel 4004.

General information
Common manufacturer(s)	Intel
Performance
Max. CPU clock rate	740-750 kHz
Data width	4 bits

What is the speed of 4th generation computer?

Pico seconds is the processing speed of fourth generation computers.

Is a 3.2 GHz processor good?

Yes 3.2 GHz is fast enough if all the stats of the CPU are good, but a 3.2 GHz with no turbo and low caches, 4 cores, low threads, and high power usage would be slower than a 2.4 GHz that has good stats on everything else.

Which processor was used in the original IBM PC?

Intel 8088 processor
One of the big decisions IBM made in creating the original IBM PC was choosing to use the Intel 8088 processor as its central processing unit (CPU).

Which is the processor behind the IBM PC AT?

Intel 8088
IBM Personal Computer

IBM Personal Computer with keyboard and monitor
Manufacturer	IBM
Operating system	IBM BASIC / PC DOS 1.0 CP/M-86 UCSD p-System
CPU	Intel 8088 @ 4.77 MHz
Memory	16 kB – 640 kB