The IBM 1401 is a variable-word-length computer introduced by IBM in 1959, primarily used for business data processing. It was notable for its affordability and versatility, often used in accounting and administrative tasks. The 1401 utilized magnetic core memory and could be programmed using punch cards and magnetic tape. Its influence on computing was significant, paving the way for subsequent IBM systems and contributing to the development of more advanced programming languages.
second generation
The IBM 1401 was developed by a team at IBM, with significant contributions from engineers like William S. "Bill" Miller, who played a key role in its design and development. Introduced in 1959, the IBM 1401 became one of the first widely adopted transistorized computers and was instrumental in transitioning from vacuum tube technology. Its success helped establish IBM as a leader in the computer industry during the early era of computing.
ibm360
James A Saxon has written: 'Programming the IBM 1401, a self-instructional programmed manual [by] James A. Saxon [and] William S. Plette' -- subject(s): IBM 1401 (Computer), Programming
The IBM PC is significantly more powerful than the IBM 1401 due to its advanced microprocessor architecture, which allows for faster data processing and multitasking capabilities. While the IBM 1401 relied on vacuum tube technology and had limited memory capacity, the IBM PC utilized integrated circuits, enabling greater efficiency and scalability. Additionally, the PC supported a wider range of software applications and provided better graphics and input/output options, making it more versatile for modern computing tasks.
The National Computer Center of Nepal had an IBM 1401 at least several years before 1978. It was use for many purposes including census and Royal Nepal Airlines. It was certainly the first large computer used there.
2ng generation. It used transistors and magnetic core memory
In the 1960s, the IBM 1401 was commonly used by small businesses to store information and process orders. This computer was well-regarded for its versatility and affordability, making it accessible for smaller enterprises. It utilized magnetic tape for data storage and was often employed for tasks such as payroll and inventory management. The IBM 1401 played a significant role in the early adoption of computer technology in the business sector.
The IBM 1401 magnetic core memory had minimum memory options starting at 1,000 characters (equivalent to 2,000 bytes) and could be expanded up to a maximum of 64,000 characters (or 128,000 bytes). This flexibility allowed users to choose a configuration that best suited their processing needs during its time. The memory utilized magnetic core technology, which was innovative for its era, providing both reliability and speed.
1401/3625 = 38.6483%
That depends on which computer character set you are talking about as there are several (and there were many more in the early days, before things were standardized).A few examples are given in the following table:Character Set Letter "A" ASCII 1000001 EBCDIC 11000001 Fieldata 000110 UNIVAC I 010100 IBM 1620 0100 0001 IBM 1401 110001 IBM 650 01 01000 00 00001 Hollerith 100100000000 Baudot 00011
Leeland R. O'Neal has written: 'Autocoder programming for the IBM 1400 seriescomputers' -- subject(s): Programmed instruction, IBM 1401 (Computer), Programming, Autocoder (Computer program language), Autocoder (Computer programlanguage) 'Electronic data processing systems' -- subject(s): Programmed instruction, Electronic data processing