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Anonymous users2024-02-051.In a microcomputer, 1MB is exactly equal to (b). a, 1024 1024 words b, 1024 1024 bytes c, 1000 1000 bytes d, 1000 1000 words.
2 In computer memory, a byte is made up of (b) bits of binary. a、4 b、8 c、16 d、32
3 Among the following indicators, (b) is one of the main technical indicators of the data communication system. a, repetition rate b, transmission rate c, resolution d, clock frequency.
4 If the mouse fails suddenly, you can use a key combination (a) to end a running application (task).
a、alt+f4 b、ctrl+f4 c、shift+f4 d、alt+shift+f4
5 The decimal integer 100 is converted into a binary number (a). a、1100100 b、1101000 c、1100010 d、1110100
6 The CPU is mainly composed of combinators and (a). A, controller B, memory C, register D, device.
7 Computer viruses can cause computer malfunction (b).
A, a microorganism B, a special program C, a special chip D, a program logic error.
8 It is often seen in the configuration of microcomputers"ProcessorPentium 667"words, where the number 667 represents (a).
a. The clock frequency of the processor is 667MHz B, and the computing speed of the processor is 667MIPS
c. The product design series number of the processor is No. 667 d. The data exchange rate between the processor and the memory is 667KB s
9 A program written in a high-level programming language must go through (d) in order to be converted into an equivalent executable program.
a, assembly b, c, interpretation d, compilation and joining.
10 Of the following four items, (d) is not a characteristic of a computer virus.
A, latent B, infectious C, provocative D, immune.
11 1KB storage space can store (512) Chinese character internal codes.
A 12-character binary unsigned integer with a length of 6 digits, the maximum value of which is a decimal number (63).
13 The first electronic computer was developed in the United States in 1946 and was abbreviated by the English abbreviation (a).
a、eniac b、edvac c、edsac d、mark-ii
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Anonymous users2024-02-04If you want to obtain an intermediate title: you can pass the "National Computer Technology and Software Professional Technology Wudong Socks Qualification (Level) Examination":
1. Intermediate qualifications: software designer (formerly senior programmer), network engineer, information system supervisor, e-commerce designer, software evaluator, multi-application designer, database system engineer, embedded system designer, computer-aided designer, information system management engineer, information technology support engineer, software process ability evaluator, system integration project management engineer, information security engineer, computer hardware engineer.
2. Can I skip the computer technology and software professional and technical qualification (level) examination?
If the candidate thinks that he or she has reached the corresponding level, he or she can skip the level and take the exam at any level.
3. Are there any restrictions on academic qualifications and other conditions for participating in the cavity computer technology and software professional and technical qualification (level) examination?
It is not subject to academic qualifications and qualifications.
Hope it helps.
This path exists regardless of the version, but if it exists in your current user, it depends on whether your current user is administrator or not. Also, the versions of XP are Home and Professional, and each version is divided into SP1 and SP2 versions. It is recommended that you find the SP2 version to install, if you will modify the motherboard BIOS, it is best to install the OEM version, no activation.
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Maybe the antivirus even corrupted some system files!
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