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Worksheetsикт тест-1
Total questions: 52
Worksheet time: 18mins
The brain of any computer system is:
the SPU
Cylinder
R/W
Control Unit
What difference does the 5th generation computer have from other generation computers
Technological advancemet
Technological advancement
Control unit
Binary base is small
The tracks on a disk which can be accessed without repositioning the R/W heads is?
Assembler
CPU cycle
Cylinder
Computer program
Which of the following is the 1's complement of 10?
10
01
00
11
Which part interprets program instructions and initiate control operations?
The Control
CPU
CPU cycle
Control unit
The binary system uses powers of?
5
4
2
3
A computer program that converts assembly language to machine language is?
CPU
Assembler
Abacus
Asembler
The time required for the fetching and execution of one simple machine instruction is
Control Unit
CPU
CPU cycle
Cylinder
Binary numbers need more places for counting because
Binary base is big
Binary base is small
Binary base is medium
Binary base is volume
Which computer has been designed to be as compact as possible?
PC
Micro computer
Nano computer
Laptop
Which of the following is still useful for adding numbers?
Assembler
Abacus
Control unit
Cylinder
A general purpose single-user microcomputer designed to be operated by one person at a time is
Micro computer
Nano computer
PC
Laptop
ASCII stands for
American standard code for copying interchange
American standard code for information interchange
American standard code for interchange
American standard code for saving information
Which device of computer operation dispenses with the use of the keyboard?
Mouse
Рrocessor
Сolumn
Modem
Which output device is used for translating information from a computer into pictorial form on paper?
Scanner
Plotter
Printer
Monitor
The list of coded instructions is called
Blaise Pascal
Computer program
Software
Storage
The first mechanical calculating machine was made by
William Oughtred
Gottfried Leibnitz
Blaise Pascal
Charles Babbage
Multiplication of 111(2) by 101(2) is
110011
100011
111100
101100
Conversion of an octal number 20 to its binary number is
10111
10000
10011
11001
Which of the following can be output by a computer?
Voice
All of these
Graphics
text
Who is called the "grand father" of the computer?
Nicklaus Wirth
Charles Babbage
Blaise Pascal
William Oughtred
Which company is the biggest player in the microprocessor industry?
IBM
Motorola
Intel
AMD
The OR, XOR & AND functions can be performed by _____ of the computer in a CPU.
Control unit
ALU
Register
Peripherial
The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes
Megabyte
Kilobyte
Gegabyte
Nibble
Which of the following memories must be refreshed many times per second?
Dynamic ROM
Dynamic RAM
Dynamic SRAM
Dynamic DRAM
The third generation of computers covers the period:
1960-1970
1965-1970
1965-1975
1960-1965
Third generation computers?
CDC 6600
None of these
DEC
IBM 360
What is the number of bit patterns provided by a 7-bit code?
127
129
128
126
First generation computers are characterized by
Tubes and magnetic drum
Vacuum tubes and magnetic drum
Vacuum tubes and drum
with vacuum cans and magnetic drum
Which of the following input/output devices is not associated with personal computers?
mice
punched cards
dot-matrix printers
color monitors
A central computer surrounded by one or more satellite computers is called a
network
star network
punched cards
None of these
A notation used to express clearly on algorithm is known as
Algorithmic language
Assembly language
Machine language
High level language
Which printer uses a combination of laser-beam & electro photographic techniques
Dot-Matrix
Daisy wheel
Line printer
Laser printers
The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
I/O unit
CPU
Peripheral unit
Control Unit
Who is the creator of the PASCAL language?
Donald Knuth
Dijkstra
Niklaus Wirth
Basic Pascal
Continuous line drawing is produced using
Chain printers
Daisy wheel printers
Plotters
Thermal devices
The arranging of data in a logical sequence is called:
sorting
classifying
reproducing
summarizing
Conversion of an octal number 256 to binary number is
11101110
10101110
10110110
10110010
The transistorized computer circuits were introduced in the
First generation
Second generation
Third generation
Fourth generation
A memory bus is mainly used for communication between
processor and memory
processor and I/O devices
I/O devices and memory
input device and output device
A hard disk is divided into tracks which are further subdivided into:
clusters
vectors
sectors
heads
What is the highest binary number that can be referred to on a three position jumper block?
4
2
1
3
A memory that does not change its contents without external causes is known as
Dynamic memory
Static memory
RAM
EEPROM
The organization and interconnection of the various components of a computer system is
Networks
Graphics
Designing
Architecture
A modern electronic computer is a machine that is meant for
Doing quick mathematical calculations
Electronic data processing
Input storage, manipulation of outputting of data
Performing repetitive tasks accurately
A billionth of a second is defined as a:
millisecond
nanosecond
microsecond
picoseconds
Which of the following is not currently a topic in computer science?
Thermodynamics
Speech recognition
Artificial intelligence
Multiprocessing
The two kinds of main Memory are:
Primary and secondary
Random and sequential
ROM and RAM
All of the above
The ALU of a computer normally contains a number of high speed storage elements called
semiconductor memory
registers
hard disk
magnetic disk
Conversion of binary number 1010101000010111 to hexadecimal number is
D8F916
A8B916
AA1716
D9F816
Who is credited with the idea of using punch cards to control patterns in a weaving machine?
Pascal
Hollerith
Babbage
Jacquard
Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost-
static
disk space
power
None of the above
