15.In confusion matrix, let TP be the number of true positives, FP be the number of false positive, FN be the number of false ncgative, and T be the number of true negative. Then, precision refers to
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1.Which of the following is wrong about the PCs you can buy nowadays? (A) floppy disc drive is typically not equipped (B) hard disc is typically in the rang ge of 500GB-4TB (C) CPU clock ranges in 2-4 MHz (D) RAM is typically in the ran nge of 4-16GB (E) all the above are correct (choose this one only if none of the above can be chosen).

2.Which of the following is wrong about file cxtension? (A)-py is a Python file (B).bin is a Binary disc image (C) .iso is an ISO disc image (D) .tar is a UNIX-based archive file (E) all the above are cotrect (choose this one only if none of the above can be chosen)

3.Which of the following storage is non-volatile? (A) ROM (B) RAM (C) DDR RAM (D) SDRAM (E) all the above are non-volatile (choose this one only if none of the above can be choscn).

4.Which of the following is wrong about CPUs? (A) CPU fetches instructions directly from RAM (B) an instruction may take several clock cycles to execute (C) ALU is the electronic circuitry that exec cutes all arithmetic and logical operations (D) inside CPU, registers are temporary storage areas for instructions or data (E) all the above are correct (choose this one only if none of the above can be chosen).

5.from RAM (B) an instruction may take sev Which of the following is wrong about CPUs? (A) CPU fetches instructions directily veral clock cycles to exe ecute (C) ALU is the electronic circuitry that executes all arithmetic and logical operations (D) inside CPU, registers are temporary storage areas for instructions or data (E) all the above are correct (choose this one only if none of the above can be chosen).

6.Which of the following is wrong? (A) screen resolution is measured in "dpi"(B) printer resolution is measured in "dpi" (C) Full HD refers to a resolution of 1920x1080 pisels (D) Ultra HD refers to a screen resolution of 3840x2160 pixels (E) all the above are correct choose this one only if none of the above can be chosen).

7.Which of the following device allows the con mmunication betwcen dissimilar networks? (A) bridge (B) gateway (C) switch (D) hub (E) router.

8.Which of the following extends a private network across a public network and enables users to send and recei ive data across shared or public networks as if their comp mputing devices were directly connected to the private network? (A) Broadband Global Area Network (B) virtual private network (VPN) (C) Extranet (D) Intranet (E) none of the above.

9.Compared to 4G technology standard for broadband cellular networks, which of the following is not a major advantage of 5G? (A) higher data speeds (B) higher latency (C) massive network capacity (D) increased availability (E) lower network energy usage.

10.Which of the following is a general-purpose, developmental, modeling language in the field of software engineering that is intended to provide a standard way to visualize the design of a system? (A) Smalltalk (B) Object-oriented programming (C) JavaScript (D) UML (E) Perl.

110年 - 110 國立臺灣大學_碩士班招生考試_資訊管理學研究所:資訊科技概論#102021