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Current SIMMs have either or connectors (pins) 9 or 32 30 or 70 28 or 72 30 or 72

Ans:30 or

2 The storage subsystem in a microcomputer consists mainly of or media with varying capacities
Memory or video Magnetic or optical Optical or memory Video or magnetic Ans:Magnetic or optical 3 Which of the following is not an input device? OCR Optical scanners Voice recognition device COM (Computer Output to Microfilm) Ans:COM (Computer Output to Microfilm) 4 The central processing unit (CPU) consists of Input, output and processing Control unit, primary storage, and secondary storage Control unit, arithmetic-logic unit and primary storage Control unit, processing, and primary storage Ans:Control unit, arithmetic-logic unit and primary storage 5 EBCDIC can code up to how many different characters? 256 16 32


Ans:256 6 Which is considered a direct entry input device?

Optical scanner Mouse and digitizer Light pen All of the above

Ans:All of the above 7 Which is used for manufacturing chips?

Bus Control unit Semiconductors A and b only

Ans:Semiconductors 8 The computer code for the interchange of information between terminals is

Ans:ASCII 9 A byte consists of

One bit Four bits Eight bits Sixteen bits

Ans:Eight bits 10 A hybrid computer

Resembles digital computer Resembles analog computer Resembles both a digital and analog computer None of the above

Ans:Resembles both a digital and analog computer 11 The silicon chips used for data processing are called
RAM chips ROM chips

Micro processors PROM chips

Ans:PROM chips 12 The metal disks, which are permanently housed in, sealed and contamination free containers are
called Hard disks Floppy disk Winchester disk Flexible disk

Ans:Winchester disk 13 A computer consists of

A central processing unit A memory Input and output unit All of the above

Ans:All of the above 14 An application program that helps the user to change any number and immediately see the result
of that change is Desktop publishing program Database Spreadsheet All of above

Ans:Spreadsheet 15 The instructions for starting the computer are house on

Random access memory CD-Rom Read only memory chip All of above

Ans:Read only memory chip 16 The ALU of a computer normally contains a number of high speed storage element called
Semiconductor memory Registers Hard disks Magnetic disk Ans:Registers 17 A factor which would strongly influence a business person to adopt a computer is its

Accuracy Reliability Speed All of above

Ans:All of above 18 The magnetic storage chip used to provide non-volatile direct access storage of data and that have
no moving parts are known as Magnetic core memory Magnetic tape memory Magnetic disk memory Magnetic bubble memory

Ans:Magnetic bubble memory 19 CAD stands for

Computer aided design Computer algorithm for design Computer application in design All of the above

Ans:Computer aided design 20 RATS stand for

Regression Analysis Time Series Regression Analysis Time Sharing Real Analysis Series All of above

Ans:Regression Analysis Time Series 21 In which year was chip used inside the computer for the first time?
1964 1975 1999 1944 Ans:1975 22 What was the name of the first commercially available microprocessor chip? Intel 308 Intel 33 Intel 4004 Motorola 639

Ans:Intel 4004 23 When were the first minicomputer built?

1965 1962 1971 1966

Ans:1965 24 The first digital computer built with IC chips was known as
IBM 7090 Apple 1 IBM System / 360 VAX-10

Ans:IBM System / 360 25 In which language is source program written?

English Symbolic High level Temporary

Ans:High level 26 Which of the following terms is the most closely related to main memory?
Non volatile Permanent Control unit Temporary

Ans:Temporary 27 Which of the following is used for manufacturing chips?

Control bus Control unit Parity unit Semiconductor

Ans:Semiconductor 28 Which of the following is required when more than one person uses a central computer at the same
time? Terminal Light pen Digitizer


Ans:Terminal 29 Which of the following is used only for data entry and storage, and never for processing?
Mouse Dumb terminal Micro computer Dedicated data

Ans:Dumb terminal 30 To produce high quality graphics (hardcopy) in color, you would want to use a/n
RGB monitor Plotter Ink-jet printer Laser printer

Ans:Plotter 31 Which of the following printers are you sure will not to use if your objective is to print on multi
carbon forms? Daisy wheel Dot matrix Laser Thimble

Ans:Laser 32 Which of the following printing devices an output composed of a series of data?
Wire matrix printer Band printer Wang image printer Both a and c

Ans:Both a and c 33 The personal computer industry was started by

IBM Apple Compaq HCL

Ans:IBM 34 In the IBM PC-At, what do the words AT stand for

Additional Terminals Advance technology

Applied technology Advanced terminology

Ans:Advance technology 35 Magnetic tape can serve as

Secondary storage media Output media Input media All of the above

Ans:All of the above 36 If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
216 65,536 64K Any of the above

Ans:65,536 37 The two major types of computer chips are

External memory chip Primary memory chip Microprocessor chip Both b and c

Ans:Both b and c 38 As compared to the secondary memory, the primary memory of a computer is
Large Cheap Fast Slow

Ans:Fast 39 Which of the following is a way to access secondary memory?

Random access memory Action method Transfer method Density method

Ans:Random access memory 40 Which was the most popular first generation computer?
IBM 1650

IBM 360 IBM 1130 IBM 2700

Ans:IBM 1650 41 What is the responsibility of the logical unit in the CPU of a computer?
To produce result To compare numbers To control flow of information To do math ;s works

Ans:To compare numbers 42 The secondary storage devices can only store data but they cannot perform
Arithmetic Operation Logic operation Fetch operations Either of the above

Ans:Either of the above 43 Which of the printers used in conjunction with computers uses dry ink power?
Daisy wheel printer Line printer Laser printer Thermal printer

Ans:Laser printer 44 Which of the following produces the best quality graphics reproduction?
Laser printer Ink jet printer Plotter Dot matrix

Ans:Plotter 45 Which of the following memories allows simultaneous read and write operations?
ROM RAM EPROM None of above Ans:RAM 46 Which of the following memories has the shortest access times?

Cache memory Magnetic bubble memory Magnetic core memory RAM

Ans:Cache memory 47 A 32 bit microprocessor has the word length equal to

2 byte 32 byte 4 byte 8 byte

Ans:4 byte 48 An error in computer data is called

Chip Bug CPU Storage device

Ans:Bug 49 A set of information that defines the status of resources allocated to a process is
Process control ALU Register Unit Process description

Ans:Process description 50 Any method for controlling access to or use of memory is known
Memory map Memory protection Memory management Memory instruction Ans:Memory protection