Systems Architecture Exam Questions and Answers (Already Passed)
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Course
Systems Architecture
Institution
Systems Architecture
Systems Architecture Exam Questions and Answers (Already Passed)
Computer System - Answers A combination of hardware and software components that allow input, processing
and output of data.
Hardware - Answers The physical components that make up a computer system.
Software - Answers The program...
Systems Architecture Exam Questions and Answers (Already Passed)
Computer System - Answers A combination of hardware and software components that allow input,
processing
and output of data.
Hardware - Answers The physical components that make up a computer system.
Software - Answers The programs that run on a computer system
Input Devices - Answers Hardware that accepts data into the computer.
Input Devices - Answers They take real world analogue
data and convert it into a digital form that can be stored on a computer
Output Device - Answers Hardware that presents the results of processing to the user or actuators that
perform a task automatically.
Output Device - Answers They use digital data from a computer and produce
it in a form that is understandable or usable.
Storage Device - Answers Hardware that is used to store files long term and is non-volatile, such as hard
disks, memory sticks, magnetic tapes and CDs.
Reliability - Answers How far you can depend on the computer system being available when you need
it. Usually measured in terms of availability.
Availability - Answers The proportion of time that a system is operational, usually expressed as a
percentage over a period of time. E.g. 95% measured over one year.
Mean Time Between Failure - Answers A measure of availability often quoted by hardware
manufacturers.
Dedicated System - Answers A system which is designed for one particular purpose.
Embedded System - Answers A computer system with a dedicated function within a larger electrical or
mechanical system.
General Purpose System - Answers A system designed to perform many functions e.g. PC or tablet with
the various Applications
What does BIOS Stand for? - Answers Basic Input Output System
, What does GPU stand for? - Answers Graphical Processing Unit
What does CPU Stand for? - Answers Central Processing Unit
CPU - Answers Interprets and carries out the basic instructions that operate a computer.
CPU - Answers A silicon chip (microprocessor) located on the motherboard that executes instructions to
process data into information.
CPU - Answers The key component of a computer system, which contains the circuitry necessary to
interpret and execute program instructions
CPU - Answers The portion of the computer that controls the functions of the system.
CPU - Answers Composed of the 3 sub-units called the control unit, arithmetic unit, and memory unit.
Von Neumann - Answers A computer architecture that allows for input, output, processing, and
memory; it also includes the stored program concept.
Fetch-Execute Cycle - Answers Basic operation cycle of a computer. It is the process by which a
computer retrieves a program instruction from its memory, determines what actions the instruction
requires, and carries out those actions.
Control Unit - Answers A component of the processor that directs and coordinates most of the
operations in the computer.
Registers - Answers Small high-speed storage locations contained by the processor that temporarily hold
data and instructions.
What does ALU stand for? - Answers Arithmetic Logic Unit
Arithmetic Logic Unit - Answers Carries out arithmetic operations and logical comparisons in the
processor. Acts as a gateway to the processor.
What does ACC stand for? - Answers Accumulator
Accumulator - Answers A register in the CPU that stores data currently being used by the CPU.
Accumulator - Answers Holds results of arithmetic carried out in ALU.
What does MAR stand for? - Answers Memory Address Register
Memory Address Register - Answers Contains the address of the next location to be accessed in
memory. May be the address of the next instruction copied from PC OR Address of next data item to be
used copied from address part of instruction held in CIR.
Memory Address Register - Answers Used to hold the position (the address) in memory that contains
the next piece of data or instruction
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