OSG TL1
List memory location, that contains the executable program, the program, the program's data, and its stack is called: a, set of resources b, address space c, address memory d, All of the other choices
b
QN=1 (6836) A CPU may have multiple execution units, so that can carry out multiple instructions in the same time is called: a. Pipeline b. Superscalar c. Multicore d. None of the other choices
b
QN=4 (6860) Which of the following statements about Random Access memory (RAM) is correct? a. Is typically faster than cache memory b. Is volatile c. Can only be read sequentially d. Stores all the files on the computer
b
Which of special register in the CPU points to the current stack in the memory? a, IR b, PC c, PSW d, SP
b
QN=5 (6863) Information that must be saved prior to the processor transferring control to the interrupt handler routine includes: a. PSW b. PSW and PC c. PSW and Contents of processor registers d. None of the other choices
b
QN=8 (2293) A Control/Status register that contains the address of the next instruction to be fetched is called the: a. Instruction Register (IR) b. Program Counter (PC) c. Program Status Word (PSW) d. All of the above
b
The ways that input/output can be done is? a, Busy waiting b, Interrupt c, DMA d. All of the above
d
A CPU may have separate fetch, decode and execute units, so that can carry out three steps of the three instructions in the same time is called: a,Pipeline b,Superscalar c,Multicore d,None of the other choices
a
The two basic types of processor registers are: a,General and special registers b,Control and Status registers c,User-visible and user-invisible registers d,None of the other choices
a
Which is not an example of a resource that is commonly space-multiplexed? a, CPU b, Video RAM c, Hard drive d, Main memory
a
Which of the following actions generates an external interrupt? a,An input/output operation is completed. b,A page that does not exist in the main memory is accessed by the virtual storage management. c,A system call instruction is executed. d,Division by zero occurs.
a
Which of the following instructions should be allowed only in kernel mode? a,Disable all interrupts b,Read the time-of-day clock c,AND of two numbers d,ADD of two numbers
a
Which of the following is not a step in the boot process? [A] The antivirus program checks all files for viruses. [B] Configuration and customization settings are checked [C] The operating system is loaded into RAM. [D] The BIOS is activated by powering on the CPU.
a
Which of the following statements about Electrically Erasable PROM(EEPROM) is correct? a, Can be erase and rewritten b, Volatile c, Unprogrammable d, None of the other choice
a
QN=9 (2291) The general role of an operating system is to: a. Act as an interface between various computers b. Provide a set of services to system users c. Manage files for application programs d. None of the above
b
What is interrupt vector? a,A signal an I/O device sends to CPU b,The addresses of interrupt handlers c.Part of memory which contains the addresses of interrupt handlers d,None of the other choices
b
Where is the position of the operating system in computer system: a,Above the hardware and under the user interface program b,Between the user interface program and the application Program c,In user space d,None of the other choices
b
A CPU may have two or more complete processors, so that can carry out multiple threads in the same time is called: a,Pipeline b,Superscalar c,Multicore d,None of the other choices
c
An operating system a, Manages hardware resources in a computer system b, Manages software resources in a computer system c, Deals with complex hardware resources and provides the user a virtual/ extended machine that is much easier to deal with than the physical machine d, All of the other choice.
c
As one proceeds down the memory hierarchy (from inboard memory to offline storage), the following conditions apply: a,Decreasing cost per bit b,Increasing capacity c,Increasing access time d,All of the other choices
c
Examples of general purpose stored program computers include the following except: a, Personal computer b, Network service c, Workstation d, MP3 player
c
QN=1 (6840) Which of special register contains the Mode Bit (user or kernel)? a. Instruction Register (IR) b. Program Counter (PC) c. Program Status Word (PSW) d. None of the other choices
c
QN=2 (6843) The four main structural elements of a computer system are: a. Processor, Registers, I/O Modules, Main Memory b. Processor, Registers, Main Memory, System Bus c. Processor, Main Memory, I/O Modules, System Bus d. None of the other choices
c
QN=4 (6858) As one proceeds down the memory hierarchy(phân cấp bộ nhớ) (from inboard memory to offline storage), which of the following conditions is correct? a. Increasing cost per bit b. Decreasing capacity c. Increasing access time d. None of the other choices
c
The language of the CPU is known as its [A] Register set [B] Control unit set [C] Instruction set [D] None ofthe other choices
c
What is not a main function of an operating system? a,Provide the users with an extended (virtual) machine b,Manage the I/O devices c,Provide user interfaces d,Support virtual memory
c
Which of the following is not a operating mode of CPU a, User mode b, Kernel mode c, Management mode d, None of the other choices
c
Which of the following statements is incorrect about the CMOS? a,Is volatile b,Interrupt c,To contain BIOS d,To hold the configuration parameters
c
QN=3 (6855) Booting a general purpose computer involves the following steps except a, Execution of a Rom-base POST sequence b, Load OS c, Load one or more process d, Loading the command interpreter
d
Which of the following statements about the CPU handling interrupts is incorrect? a, The process ceases to execute the current sequence of instructions b, The hardware saves the old PC location c, The CPU branches to a new instruction sequence d, None of the other choice
d