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36 Cards in this Set
- Front
- Back
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Translate 10011(bin) into decimal |
19 |
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Translate 2E (hex) into decimal |
16 |
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Represent the bit pattern 1111 0100 1001 1011 in hexadecimal notation |
F 8 9 B |
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What is the result of the following addition problem? 1111 +1011 |
26 |
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Each memory cell in a computer's main memory is identified by a numeric value called the cell's? |
Address |
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How many different bit patterns can be formed if each pattern must consist of exactly 4 bits? |
16 |
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Which of the following data storage systems provides the most efficient random access to individual data items? A) Main Memory B) Magnetic disk C) CDs/DVDs D) Flash drives |
A) Main memory |
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Which of the following mass storage systems do not require physical motion? A) Magnetic tape B) Magnetic disk C) CDs/DVDs D) Flash drives |
D) Flash Drives |
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Which of the following provides a compressed representation pf an image by limiting the number of different pixel colors to 256, thereby enabling each pixel in an image to be represented by a single byte. A) ASCII B) MPEG C) JPEG D) GIF |
D) GIF |
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A system developed b the American Standards Institute for encoding text, is known as what? |
ASCII |
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A digital circuit capable a single digit |
Flip-flop |
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A means of encoding numeric values that may involve fractions |
Floating-Point notation |
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A means of encoding music in terms of notes and instruments rather than actual audio |
MIDI |
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AND, OR, XOR, NOT is consider what type of function? |
Boolean operation |
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Which step of machine cycle examines the op-code of the next instruction to be executed? A) Load B) Fetch C) Decode D) Execute |
C) Decode |
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In which of the following locations is information most readily available for manipulation by the CPU? A) Mass storage B) General-purpose registers C) Main memory D) Cache memory |
B) General-purpose registers |
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Which of the following is not contained in a CPU? A) Memory cell B) General-purpose register C) Program counter D) Instruction register |
A) Memory cell |
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Which of the following is not an activity performed entirely within a CPU? A) Move data between registers B) Perform Boolean operations C) Fetch instructions D) Perform arithmetic operations |
C) Fetch instructions |
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The following table shows a portion of machine's memory containing a program written in the language described in the language description table. Assuming that the machine is started with its program counter containing 00, what bit pattern will be in register 1 when the machines halts?
Address Content 001 21 01 0B 02 14 03 04 04 C0 05 00
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0B |
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Used by the CPU to keep its place in the program, is known as what? |
Program Counter |
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A technique of recording programs in main memory from where they can be accessed and executed, is called what? |
Stored-program concepts |
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The communication path's maximum capacity for transferring data |
Bus |
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The process of fetching and executing instructions that is repeated over and over by the CPU |
Machine cycle |
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Execution of an operating system is initiated by a program called the A) Boot loader B) Scheduler C) Window manager |
A) Boot loader |
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A section of a program that should be executed by at most one process at a time is called a A) Utility B) Critical region C) Privileged instruction |
B) Critical region |
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Multitasking in a computer with own one CPU is accomplished by a technique called A) Bootstrapping B) batch processing C)Multi programming |
C) Multi programming |
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Which of the following events is detrimental to an operation system's performance? A) Deadlock B) Interrupt C) Booting |
B) Interrupt |
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Which of the following would be concern of the file manager in a multi-user computer system that would not be concern in a single- user system? A) Maintain records regarding the location of files B) Maintain records regarding the ownership of files c) Maintain records regarding the size of files D) None of the above |
B) Maintain records regarding the ownership of files |
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Which of the following items of information would not be contained in an operating system's process table? A) The location of the memory area assigned to the process B) The priority of each process C) Whether the process is ready or waiting D) The machine language instructions being executed by the process |
D) The machine language instructions being executed by the process |
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Which of the following is a task that is not performed by the kernel of an operating system? A) Communicate with the user B) Schedule processes C) Allocate resources D) Avoid deadlock |
A) Communicate with the user |
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Which of the following is a technique for controlling access to a critical region? A) Spooling B) Time sharing C) Semaphore D) Booting |
C) Semaphore |
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Places new entries in the process table, is known as what? |
Scheduler |
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Protects files from unauthorized access, is know as what? |
File Manager |
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Performs the switching from one process to another, is known as what? |
Dispatcher |
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Performs the actual communication with I/O units, is called what? |
Device drivers |
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Maintains a record of memory allocations, is known as what? |
Memory manager |
