Digital Computer Fundamentals Computer Science MCQs
1). A CPU has:
a). Control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator
b). Bubble Memory
c). Visual Display Unit
d). Auxiliary Storage Unit
2). The Central Processing Unit (CPU) comprises of:
a). Memory, VDU, and printer
b). Input Device, Output Device, and Memory
c). Store, Arithmetic and Logic Unit, and Control Unit
d). Store, Arithmetic and Logic Unit, and Supply Unit
3). The entire computer system is coordinated by:
a). The ALU
b). The Accumulator
c). Arithmetic Operators
d). The Control Unit
4). During E-Time the ALU:
a). Examines the Instruction
b). Enters the Instruction
c). Executes the Instruction
d). Elicits the Instruction
5). The heart of a Digital Computer is:
a). Control Unit
b). Memory Unit
c). Control Unit
d). Visual Display Unit
6). The Unit that transforms data into information is the:
a). CPU
b). ROM
c). DVD
d). OCR
7). Computer Operations are synchronized by:
a). The CPU Clock
b). Mega Bytes
c). The Binary System
d). E-Time
8). Another Name for a Logic Chip is:
a). PROM
b). Memory
c). Micro Processor
d). ROM
9). Memory Capacity may be expressed in:
a). Micro Seconds
b). Â Kilo Bytes
c). Bits
d). Cycles
10). The Clock speed of a computer is measured in:
a). Megahertz
b). Kilobytes
c). Megabytes
d). Binary Digits
11). Information travels between components of a computer through groups of wires called:
a). Cards
b). Busses    Â
c). Slots
d). Ports
12). Memory is divided into many numerically addressed:
a). Logic
b). Locations    Â
c). Codes
d). Cells
13). A bus line consists of:
a). Registers
b). Accumulators
c). Parallel Data Paths
d). Machine Cycles
14). The term word in computer terminology refers to:
a). Bits formed into groups
b). Coded instructions
c). Memory Size
d). Language used
15). Which of the following is an example of volatile memory?
a). ROM
b). RAMÂ Â Â
c). PROM
d). Hard Disk
16). Each location in primary storage is assigned a unique:
a). Data
b). Fields
c). Name
d). Address
17). Each location in primary storage is assigned a unique:
a). Data
b). Fields
c). Name
d). Address Â
18). The different memory locations are identified by hexadecimal numbers called:
a). ASCII Code
b). Bytes
c). BCD numbers
d). Addresses Â
19). The operation of arithmetic logic unit (ALU) is directed by:
a). The ALU itself
b). Program
c). Control Unit
d). Memory Unit
20). Which is not associated with the main memory of computer:
a). Semiconductor Memory
b). Core Memory
c). Read Only Memory
d). Sequential Memory Â