A computer system is the integration of physical entities called hardware and non physical entities called
1.Software
2.Hardware
3.Firmware
4.Liveware
A computer type, processor, and operating system define its
1.Speed
2.Size
3.Brand
4.Platform
A CPU can directly understand ____ language.
1.Java
2.C
3.C++
4.Machine
A digital computer performs its computations by
1.Analogy
2.Mechanical means
3.Counting
4.Guessing
A flash memory is a special type of ____ that can be erased and reprogrammed.
1.EPROM
2.PROM
3.EEPROM
4.ROM
A group of wires running parallel to each other in between two connected computer parts and which transfers information is called a
1.Bundle
2.Cable
3.Bus
4.Track
A temporary storage area, attached to the CPU for I/O operations is a
1.Register
2.Core
3.Buffer
4.Chip
A type of instruction that produce several lines of machine language code is a
1.Assemble
2.Address
3.Mnemonic
4.Macro
A ___ instruction transfer information from memory to other devices.
1.Access
2.Response
3.Read
4.Write
Acceptance testing is
1.Testing changes made in an existing or a new program
2. Is checking the logic of one or more programs in the candidate systems
3.Making sure that the new programs do in fact process certain transactions according to specifications
4. Running the system with line data by the actual user
ALU stands for
1. Algorithm and logical unit
2.Arithmetic and logical unit
3.Arithmetic and logarithm unit
4.Algorithm and logarithm unit
An audit trial is
1. A data item that characterizes an object
2.A feature of data processing systems that allows for the study of data as processed from step to step, and auditor can then trace all transactions that affect an account
3. Two or more data items handled as a unit
4. All of these
Another word for the CPU is
1.Decode
2.Microchip
3.Execute
4.Microprocessor
CPU reads and executes program instructions, performs calculations and ____
1.make distribution
2.make direction
3.make diversion
4. make decisions
Electronics Numerical Integrator and calculator (eniac machine) belongs to the
1.First generation computers
2.Second generation computers
3.Third generation computers
4.Fourth generation computers
Which of the following statements correctly describes the microcomputer disk drive?
1.A disk drive is used to transfer data to and from disks.
2. The two types of disk drives are hard disks and flexible disks.
3.Hard disks are permanent storage devices.
4. All of these
Magnetic tape can serve on
1. Secondary storage media
2.Input media
3.Output media
4.All of the above
Memory, also called random access memory, or RAM,_____
1. Allots data, programs, commands, and user responses to be entered into a computer
2.Consists of electronic components that store data
3.Contains the electronic circuits that cause processing to Occur
4.Makes the information resulting from processing available for use
PCS are considered fourth-generation and contain
1.Microprocessors
2.Information
3.Vacuum tubes
4.Data
RAM chips
1.Store data indefinitely unless you delete it
2. Allow the computer to store data electronically
3.Are always measured in thousand of bytes
4. All of these
Speed of processor is measured in
1.Hertz
2.Pathom
3.Byte
4.Bit
Tangible, physical computer equipment that can be seen and touched is called ___
1. Input/output
2.Storage
3.Software
4.Hardware
The ALU performs ______ operation.
1.Arithmetic
2.Algorithm
3.ASCII
4.Logarithm
The arrangement of tracks and sectors on a disk is known as its ___
1.Folder
2.File
3.Format
4.None
The biggest manufacturing of workstations is
1.Sun Microsystems
2.HP
3.IBM
4.DEC
The brain of any computer system is
1.CPU
2.Memory
3.ALU
4.Control unit
The capacity of a memory system is represented by a unit called a ____
1.Bit
2.Ram
3.Rom
4.Byte
The CPU and memory are located on the
1.Keyboard
2.Graphics board
3.Sound board
4.Motherboard
The hardware in which data may be stored for a computer system is called
1.Memory
2.Control unit
3.Data
4.Register
The input unit of a computer
1.Directs all other units
2.Feeds data to the CPU or memory
3.Retrieves data from CPU
4.Al l of the above
The instructions and data are stored in the ___ so that the processor can directly fetch and execute them.
1.CPU
2.Permanent memory
3.Control unit
4.Main memory
The main function of the CPU is to perform arithmetic and logical operations on data taken from ____
1. Permanent memory
2.Control unit
3.Main memory
4.CPU
The microprocessor of a computer cannot operate on any information if that information is not in its
1.ALU
2.Logic unit
3.Main storage
4. Secondary storage
The name of the location of a particular piece of data is its
1.Data location
2.Address
3.Memory name
4.Storage
The operation executed on data stored in registers is called ___
1.Byte operation
2.Bit operation
3.Micro operation
4.Macro operation
The team at Intel that built the first microprocessor was headed by
1.Marcian E (Ted) Hoff
2.Stan mazor
3.Victor poor
4.Seymour cray
The three main parts of the processor are
1.ALU, control unit and RAM
2.ALU, control unit and registers
3.Control, unit registers and RAM
4. Cache, control unit and register
The word processor used by DOS to write the programs or instructions
1.EDIT
2.MS-Word
3.WordStar
4.WordPad
The ___ is controlled by a list of software instructions.
1.ALU
2.CU
3.CPU
4.MU
The ____ register holds machine instructions.
1.DOS
2.Bus
3.Input
4.Instruction
Tracing, of any input record or process, performed on a system, back to its original source, is a/an
1.Report generation
2.Conversion
3.Batch processing
4.Audit trial
Vendor-created program modifications are called
1.Fixes
2.Holes
3.Antiviruses
4.Patches
Video processors consists of and which store ___ and ___ process images.
1. CPU and VGA
2.CPU and memory
3.VGA and memory
4.VGI and DVI
What hardware was used by first generation computers?
1.Valves
2.SSI
3.ICS
4.Transistor
When a file contains instructions that can be carried out by the computer, it is often called a(n) ____ pile.
1.Application
2.Data
3.Information
4.Executable
When did IBM introduce the 801286 based PC/AT
1.1983
2.1984
3.1985
4.1987
When did the EISA consortium “gang of nine†came into being?
1.1974
2.1988
3.1989
4.1992
Which 32-bit microprocessor is used in IBM’s PS/2 model 80 computer?
1.8088
2.80286
3.80386
4.80486
Which bus is used to connect the monitor to the CPU?
1.SCSI bus
2. HACK bus
3. KISS bus
4.PCI
Which company announced the first IBM PC clone called MPC?
1.Honey Well Bull Inc.
2.Columbia Data products
3.Carona systems
4.Compaef computer Inc.
Which functional computer of a computer is responsible for the computing?
1.Memory
2.CPU
3.Input
4.Output
Which language is directly understood by the computer without translation program?
1.Machine language
2.High level language
3.BASIC language
4.Assembly language
Which of the following is associated with second generation computers?
1.Magnetic core memory
2.Operating core memory
3.Transistors
4.All of these
Which of the following is not a type of computer software which can be bought?
1.Off-the-shelf with alterations
2.Custom-developed
3.Tailor-made
4. Off-the–shelf
Which of the following is the main circuit-board of the system unit?
1.Control unit
2.Sound board
3.Motherboard
4.Graphics board
Which of the following manages computer resources?
1.BUS
2.ALU
3.I/O unit
4.Control unit
Which PDR is called the china Green Line?
1.200
2.250
3.270
4.550
Which protocol has been standardized by the International Standards Organization
1.ISO
2.CALL
3.LISP
4.ISAM
Which type of storage is a hard disc?
1. Non-volatile
2.Temporary
3.Volatile
4.Non-permanent
Who amongst the following is credited with the building of the operational stored program computer?
1.Maurice V. Wilkes
2.J.P. Eckert
3.Grace Murray Hoppy
4.Howard Aiken
_ are a storage medium from which data is read and to which it is written by lasers.
1.Optical drives
2.Optical data
3. Optical disks
4.None
_ is a memory on which data can be written only once.
1.EPROM
2.PROM
3.ROM
4.RAM
_ is an input device that controls the movements of the cursor on the display screen.
1.Scanner
2.Monitor
3.Light pen
4.Mouse
_ printers are high speed printers capable of printing an entire line at a time.
1.Daisy wheel
2.Dotmatrix
3.Line
4.Impact
__ card is an input device stores data in a microprocessor embedded in the card.
1.Sim
2.Smart
3.Magnetic
4.Laser
__ is a group of instruction that directs a computer?
1.Logic
2.Data
3.Program
4.Information
__ printers include all printers that print by striking an ink ribbon.
1.Impact
2.Line
3.Daisywheel
4. Dot matrix
___ registers holds the information before it goes to the decoder.
1.Address register Data register
2.Bus register
3.Control register
4. Data register
___ is an extremely fast computer that can perform hundreds of millions of instructions per second.
1.Workstation
2.Mini computer
3. Mainframe computer
4.Supercomputer