How to determine the type of card based on the card number

Bank cards are divided into three types: debit card, quasi-credit card, and credit card. Bank cards generally carry UnionPay, Visa, and Master cards. , JCB and other marks.

Generally, cards starting with 6 are UnionPay cards, cards starting with 4 are cards carrying the Visa logo, cards starting with 5 are cards carrying the Master card, and cards starting with 3 are cards carrying the JCB logo. .

The first few digits of cards with the same logo from a bank are the same. For example, for China Merchants Bank, the card with the UnionPay logo starts with 62258, and the card with the Visa logo starts with 4392. Those with the Master logo start with 5186, and those with JCB start with 3568.

Another bank's debit card and credit card generally have different digits.

For example, the debit card of China Construction Bank starts with 4367, which is 19 digits, while the debit card with Credit cards with the Visa logo also start with 4367, but are 16 digits.

Generally, credit cards have 16 digits in card numbers, while debit cards have 16 to 19 digits depending on the bank.

ICBC’s current cards are all 19-digit Agricultural Bank of China cards can be divided into debit cards, quasi-credit cards and credit cards.

The Agricultural Bank of China debit card has 19 digits

The Agricultural Bank of China credit card has 16 digits

The first five digits are 95599 Types of mobile phone cards

China Bank

No monthly rent

No deductions for types and models of computer graphics cards if not used

Graphics cards are divided into professional graphics cards and consumer entertainment cards according to their uses. Low to high N card GT430, 450, 460, 5 series 550, 560, 570, 580. A card: 5 series HD5550, HD5670, 5750, 5770, 5830, 5850, 5870; 6 series HD6790, 6850, 6870 , 6950, 6970. Types of PCI interface cards

Can be plugged into graphics card, sound card, network card, built-in Modem, built-in ADSL Modem, USB2.0 card, IEEE1394 card, IDE interface card, RAID card, TV card , video capture cards and a wide variety of other expansion cards. The PCI slot is Types of foreign currency cards

Foreign currency cards are divided according to currency. The most common foreign currency cards in China are US dollar cards and Hong Kong dollar cards. Recently, Euro cards and Japanese yen cards have been introduced.

Foreign currency cards are divided into single-currency cards and dual-currency cards according to the amount of settlement currency.

Single-currency foreign currency card refers to a bank card whose deposits and credit limit are both in foreign currency and must be repaid in foreign currency. Because the use of this product has relatively large limitations, it is only suitable for use abroad.

A dual-currency foreign currency bank card refers to a bank card with both RMB and foreign currency accounts for deposits and credit limits. The dual-currency bank card combines the functional features of a foreign currency card and a local currency card, coexisting two settlement currency accounts in RMB and another freely convertible currency in one bank card.

Types and functions of graphics cards

This is simple. Now the graphics card chips are A card and N card. Generally, the most optimized games are n cards (supported by game manufacturers. Graphics card manufacturers are better at this). The functions are not the same. Output video. Rendering video is what a graphics card is supposed to do. . . How to distinguish the types of graphics cards

It should be said that there are four types of graphics cards. ISA, PCI, AGP, and PCI-E can be distinguished by looking at the golden finger. The type of mobile phone card

Oh, the mobile phone location query card type is not accurate.

The main mobile brands include: Global Connect, M-Zone, China Travel

Now, the mobile phone card number segment cannot accurately correspond to the card brand.

Your card may be an idle number in the old Global Telecom number range recycled by the mobile company.

If you are interested in a reissued card, you can go to the main business office of the mobile company to check the history of this card.

You may find the name information of the old machine owner. What are the types of mobile phone cards?

You can go directly to the mobile website to see it, or go to the mobile business hall to get information, such as China Unicom’s Four Seasons Card, Volkswagen Card, Campus Card, Ruyi Card, UP New Force...etc. ( Too many) As the core brand of China Mobile, GSM is also the brand card with the largest number of users in the country. It supports most of the new services developed by China Mobile, such as caller ID, free calling, short message, IP phone, Mobile securities, dual-band network, virtual private network, family number, secretarial service, mobile Internet access, mobile banking, Monternet, etc. In addition, it can roam internationally and domestically. Charging standards: Monthly rental fee is 50 yuan, call charges are 0.4 yuan/1 minute, roaming charges are 0.6 yuan/1 minute, information charges are 0.1 yuan/item/item within the network, and 0.15 yuan/item outside the network. Other charges are in accordance with the regulations of the mobile company Standard charges. Currently, the global traffic number segments include 139, 138, 137, 136, and 135. The launch of Shenzhouxing has broken the traditional mobile phone payment model. It is the first to realize zero monthly rent and adopts the form of a prepaid card. Users can buy cards for top-up, allowing users to control their own phone bills. This is very suitable for the majority of students and students. The low-income group, however, is subject to many restrictions on the services that can be used. It only supports basic caller ID, IP phone, short message and Monternet, and can only roam within the country. The rates of Chinaxing are higher than those of Global Express, with call charges of 0.6 yuan/1 minute, roaming charges of 0.8 yuan/1 minute, information charges of 0.15 yuan/item within the network and 0.2 yuan/item outside the network. Currently, the Shenzhouxing code segment includes 136 and 135. M-Zone M-Zone, as a new brand vigorously promoted by China Mobile, mainly targets the user group who communicate through text messages, that is, the SMS group. However, as PHS entered the final position - Beijing and Shanghai, and under the joint attack of China Unicom Promotion, M-Zone also began to upgrade. Recently, Beijing Mobile has launched upgraded packages accordingly: Youth Campus, Entertainment Tribe and White Collar Alliance. Other regions such as Sichuan Mobile have already upgraded their packages. For details, please see: bbs.iti./cgi-bin/ic_show.cgi?id=350172048amp; h=1amp; bpg=1amp; age=0. GSM130 GSM130 is the core brand of China Unicom in the GSM network and is also the brand card with the largest number of users. It supports all services developed by China Unicom, such as China Unicom's letter, voice mail, call transfer, Ruyihu, etc. It can be used internationally and Domestic roaming. GSM130 has always been a strong competitor of China Mobile Global Telecom. Due to the support of national policies, most of its tariffs are cheaper than Global Telecom. China Unicom's standard charges: monthly rental fee is 45 yuan, and call tariff is 0.36 yuan/1 minute. The information fee is 0.1 yuan/item/each item (does not distinguish between internal and external networks). GSM130 only has one number segment 130. Ruyitong is China Unicom's prepaid card. Ruyitong is a branded card that responds to China Travel. Like China Mobile's China Travel, it also has many limitations in terms of functionality. It can only support caller ID, IP calls, China Unicom's in-message messages and short messages. function, and Ruyitong can only roam in mainland China. Like Shenyizhouxing, Ruyitong is also aimed at students and low-income people. Since there is no monthly fee, its call fee is 0.54 yuan/1 minute, and the message fee is the same as GSM130. The Ruyitong number segments are 130 and 131. China Unicom New Space 133. China Unicom New Space 133 is China Unicom's brand card on the CDMA network. The tariff standard is the same as that of the GSM130 network. The main competitor of China Unicom New World 133 is also China Mobile's Global Communications. The two are basically the same in terms of business. The most eye-catching one is the competition in wireless Internet technology (GPRS vs CDMA1X). Currently, China Unicom New Space 133 only has one number segment: 133.

Ruyitong 133 is a prepaid brand card on the C network. China Unicom named it Ruyitong 133, which is in the same vein as Ruyitong on its G network. Although Ruyitong 133 is a prepaid card like Ruyitong and Shenzhouxing, it has obvious advantages over the latter in terms of tariff and services. First of all, Ruyitong 133 distinguishes between dialing and answering charges. The cost of answering is only 1/3 of the dialing rate. The call rates are also charged according to busy hours and idle hours, and the information charges are also treated equally. They are 0.1 yuan per call regardless of whether they are inside or outside the network. The author believes that the advantage of this distinction is that it greatly reduces the rates and also increases the competition of Ruyitong 133. force. In terms of services used, Ruyitong 133 not only supports call transfer, incoming call firewall and other services, but also supports CDMA1X services, making CDMA1X put aside its "noble status" like GPRS and gradually become available to low-consumption users. Section 133 of Ruyitong is also 133. (Currently, Ruyitong 133 brand cards are only sold in Beijing, Guangdong, Heilongjiang, Chongqing, Guangxi, Jiangxi, Shanxi and Hunan, and will be promoted and issued throughout the country.) How to choose the type and package of SIM cards?

If you need to use a lot of text messages, use the M-Zone card. There is a monthly fee (no minimum consumption). Monthly text messages are cheap, 20 packages are 400, 30 packages are 600, and 50 packages are 1,000.

If your mobile phone wants to access the Internet and data is included, use the M-Zone equipment package (no minimum consumption), which includes 150 text messages, 20 multimedia messages, 50M GPRS traffic (does not distinguish between WAP and WAP), 500M mobile phone mailbox, and ringback tone . The equipment package can open a package of 200 text messages for 5 yuan. With traffic, you can use software to send text messages through GPRS (such as Fetion).

The equipment package I use is very suitable for students.