Bài kiểm tra máy tính

What is a software installed in the CPU?

• Instructions stored in memory

• Instructions stored in ROM

• Instructions stored in CPU

• Instructions stored in CD-ROM

What are the possible locations of a computer memory system?

• Contain temporary data or intermediate results

• Contain only data of the stack memory

• Require multiple data registers

• Contain integers or floating-point numbers

A 32-bit computer has a 32 KB cache memory with a line size of 32 bytes. The cache access time is 20ns and the miss penalty is 80ns. The cache is 2-way associative. How many cache lines are there?

Which memory device in a modern computer has the SLOWEST access speed?

• ROM

• Cache

• RAM

• Hard Drive

What is BCD code?

• Code that uses binary bits to represent hexadecimal digits

• Code that uses binary bits to represent octal digits

• Code that uses binary bits to represent decimal digits

• Code that uses binary bits to represent ASCII characters

Which MIPS instruction BEST IMPLEMENTS the following statement in the C language? (a and b are int variables). a = b + c - 100;

• Option 3

• Option 1

• Option 2

What is NOT a characteristic of RISC computers?

• Large instruction set

• Single-cycle instruction execution time

• Most instructions access operands in registers

• Fixed length instructions

Which of the following characteristics is NOT a characteristic of RISC computers:

The following program. Which value is printed by this program (the first system command in the program):

Which of the following statements is CORRECT: