CSIS 110

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

In base 16, the digit E corresponds to what decimal value?

14

How many things can be represented using four bits?

16

Which of the following is a unit in an abstract mathematical system subject to the laws of arithmetic?

number

What does pulse-code modulation (PCM) describe?

the behavior of a digital signal, which jumps between two extremes

How big is each memory address in the Pep/8 machine?

16

How many digits are there in the binary number system?

2

How big is the Pep/8 instruction register?

24

In general, how many things can be represented by n bits?

2^n

How many things can be represented using three bits?

8

Which gate does the following Boolean expression represent? X = A • B

AND

Which of the following allows information to be passed into a subprogram?

Arguement

Which language uses mnemonics to represent instructions?

Assembly

What is a group of eight binary digits called?

Byte

The following equation is an example of which Boolean algebra property? (AB)' = A' + B'

DeMorgan's law

True or False? A NOT gate allows only one of its two input values to pass.

False

True or False? A binary search uses a string of bits (binary digits) to filter the search items while looking for an item

False

True or False? A compact disk (CD) stores audio information as an analog signal.

False

True or False? A gate is a device that accepts a single input signal and produces one or more output signals.

False

True or False? A linker puts a program's instructions into memory where they can be executed.

False

True or False? A megabyte of memory space is larger than a gigabyte of memory space.

False

True or False? A module cannot be further expanded

False

True or False? A vacuum tube was a device used in the first generation of computers to link computers together into a network.

False

True or False? A virtual computer is a hypothetical machine in which there are no limits on memory use.

False

True or False? An array is a named collection of homogeneous items in which individual items are accessed by name.

False

True or False? Large-scale integration is the process of using multiple input devices on a single computer?

False

True or False? RAM is non-volatile and ROM is volatile.

False

True or False? The World Wide Web is as old as the Internet itself.

False

True or False? The abacus was the world's first electronic digital computer

False

True or False? The seek time of a disk drive is the time it takes for the specified sector to rotate under the read/write head.

False

True or False? Three octal digits can be stored in one byte.

False

True or false? The Rosetta stone contains the same content in five different languages.

False

Which of the following is not a raster-graphics format?

Flash

Who proposed that a punched card be used for counting the census?

Hollerith

Which gate inverts its input?

NOT

Which of the following allows a WHILE loop to be contained within the body of another WHILE loop?

Nested logic

Which register contains the address of the next instruction to be executed?

Program counter

Which of the following requires the use of a "splitting value"?

Quicksort

Which of the following is the time it takes for the read/write head of a disk drive to get into position over a specified track?

Seek time

Which of the following represent the function(s) of the accumulator (A register)?

The accumulator holds data AND the results of computer operations.

True or False? A circuit is a combination of gates designed to accomplish a more complex logical function.

True

True or False? A high-level language is more English-like than assembly language.

True

True or False? A register is a small storage area in the CPU.

True

True or False? A systems programmer writes programs that make it easier for others to program

True

True or False? A touch screen is both an input and output device.

True

True or False? A video codec specifies how a movie is compressed.

True

True or False? Ada Augusta, Countess of Lovelace, is credited with being the first programmer.

True

True or False? An abstraction is a mental model that removes or hides complex details.

True

True or False? An assembler translates assembly-language programs into machine code.

True

True or False? An if statement is an example of a control structure

True

True or False? Assembly language is an abstraction, hiding some of the details that occur at the machine language level.

True

True or False? Binary numbers are important in computing because numbers in every base can be converted into them.

True

True or False? Computer software is the collection of programs that provide the instructions that a computer carries out.

True

True or False? In top-down design, an abstract step is one for which some details remain unspecified.

True

True or False? Spreadsheets and word processors are known as software applications.

True

True or False? Starting from the right, every group of four binary digits can be read as one hexadecimal digit.

True

True or False? The Internet is descended from a U.S. government-sponsored network called the ARPANET?

True

True or False? The Pep/8 system includes a simulator that can be used to input and run programs.

True

True or False? The base of the binary number system is 2

True

True or False? The central processing unit (CPU) of a computer is often a single integrated circuit.

True

True or False? The control unit manages the fetch-execute cycle.

True

True or False? The fourth generation of computer hardware was characterized by large-scale integration?

True

True or False? The number 10 represents the base value in every number system.

True

True or False? The personal computer was introduced in the fourth generation of computer hardware.

True

True or False? The transistor ushered in the second generation of commercial computers?

True

True or false? Quicksort is an effective algorithmic sorting approach to use if the data to be sorted is already in random order

True

Which of the following is not an operation that can be performed by a Pep/8 machine instruction?

add the contents of the program counter to the accumulator

Which of the following represents a set of unambiguous instructions for solving a problem in a finite amount of time using a finite set of data?

algorithm

Which of the following phrases best describes a Turing machine?

an abstract mathematical model of computing

Which of the following best describes top-down design?

decomposing a general solution into more concrete solutions to subproblems

Which Pep/8 addressing mode indicates that the operand contains the location of data rather than the data itself?

direct

The following equation is an example of which Boolean algebra property? A(B+C) = (AB) + (AC)

distributive

True or False? The base of the hexadecimal number system is 15

false

Which of the following describes a natural number, the negative of a natural number, or zero?

integer

What does a loader do?

loads a machine language program into memory

Which language is actually executed by the central processing unit of a computer?

machine langage

Which of the following best describes the number of characters that can be represented in the Unicode character set?

over 65,000

By what name are input devices, output devices, and auxiliary storage devices collectively known?

peripheral devices

Which of the following can be used to express the value of every number in any number system?

polynomial

Which of the following is the ability for a subprogram to call itself?

recursion

True or False? The read/write heads of a disk drive all read from the same disk at the same time.

seek time

Which of the following is true about clear-box testing?

the test cases are based on the code

What is the purpose of a compiler?

translate high-level language into machine language

True or False? The data-coverage testing approach tests the limits of the program's data.

true

Which of the following best describes a register?

true

Which of the following is an application package?

word Processor


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