ECAT Computer Science Online Test With Answers

image
image
image

ECAT Computer Science Online Test

Sr. # Questions Answers Choice
1 The term word in computer terminology refers to. bits formed into groups coded instructions memory size language used
2 A bus line consists of. registers accumulators parallel data paths machine cycles
3 Memory is divided into many numerically addressed. logic locations codes cells
4 Information travels between components of a computer through groups of wires called. cards busses slots ports
5 The clock speed of a computer is measured in. megahertz kilobytes megabytes binary digits
6 The number of bytes in the following number (1111, 1011, 0111,0100,1010) is. 5 2 1/2 10 1 2/4
7 Memory capacity may be expressed in. microseconds kilobytes bits cycles
8 Another name for a logic chip is. PROM memory microprocessor ROM
9 Computer operations are synchronized by. the CPU clock megabytes the binary system E-time
10 The unit that transforms data into information is the. CPU ROM DVD OCR
11 The heart of a digital computer is. control unit memory unit logic unit visual display unit
12 During E-time the ALU. examines the instruction enters the instruction executes the instruction elicits the instruction
13 The entire computer system is coordinated by. the ALU the accumulator the control unit arithmetic operators
14 The central processing Unit (CPU) comprises of. memory, VDU , and printer input device , output device and memory store , arithmetic and logic unit and control unit software, hardware and power supply unit
15 A CPU has. control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator bubble memory visual display unit auxiliary storage unit
16 Historically, the first computers were used for. text processing data storage simulation and modeling arithmetic calculations
17 Charles Babbage worked closely with ______ to develop his device. Ada Lovelace Joseph-Marie Charles Herman Hollerith Jacquard Lord Byron
18 Charles Babbage set out to create a device that could carry out any calculation to twenty digits of accuracy called a(n):. computer analytical engine calculator mainframe
19 Which is not a professional computer job? system analyst programmer user data entry operator
20 Programs written to cause computers to function in a desired way are called. hardware instruction software algorithm
21 Arranging classified data in a predetermined sequence to facilitate processing is called. storing sorting processing classifying
22 The concurrent processing of computer program via terminals on one computer system is an example of. real time processing time-sharing Interactive processing all of the above
23 computers that deal with discrete data are called. discrete computers digital computers analog computers micro computers
24 Who developed the first automatic electronic digital computer prototype between 1935 and 1942. John Atanasoff J. Presper Eckert William Shockley Thomas J.Watson
25 Who is pioneer in the field of computer language who played an important role in the development of COBOL. Grace M.Hopper How H.Aiken John von Neumann Thomas J.Watson
26 Who is responsible for introducing the concept of stored program. Blaise Pascal Herman Hollerith Charles Babbage John von Neumann
27 A microprocessor has memory location from 0000 to 3FFF, each storing one byte. The number of bytes, the memory can stored is. 8,192 16,384 32,768 4,096
28 The differential equations are solved by. analog computers digital computers differential machine both analog and digital computers
29 A physical system can be modeled by a set of. Boolean equations logic equations differential equations linear algebraic equations
30 Time scaling in analog computers is done to make them. operate fast operate slowly operate in time delay mode either operate fast or operate slowly
Download This Set
×